JP3124736B2 - Guide frame for building sheet piles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide frame for building a sheet pile.

[0002]

2. Description of the Related Art Conventionally, as one form of revetment work, as shown in FIG. 6, reinforcement work of a dog running section a is performed, and at this time, a concrete sheet pile c is built outside a steel sheet pile b existing. In addition, the dog running extension d is constructed. e is crushed stone,
f is poor concrete, g is rubble, h is retaining wall, L1 is the water surface at low tide, and L2 is the water surface at high tide.

When a concrete sheet pile c is to be built, as shown in FIGS. 7 to 9, first, a guide pile j is built at an outer position spaced apart from the steel sheet pile b by a predetermined distance. Front and rear frame forming parts k1, k between guide pile j and steel sheet pile b
The guide frame k is formed by assembling the 2 and the connection forming portion k3 along the coast, and the concrete guide sheet k is built by guiding the guide frame k. m is a vibration part of the construction machine, and n is a sheet pile gripping part of the construction machine.

[0004]

However, the above-described guide frame k has the following problems.

[0005] Between the steel sheet pile b and the guide pile j, an assembling operation must be performed along the coast.
When the concrete sheet pile c has been set up by a predetermined width, the guide frame k must be disassembled and assembled at the next setting position. The work of attaching and disassembling is complicated, and requires time and effort.

The guide frame k is assembled along the coast between the steel sheet pile b and the guide pile j. Since the guide frame k is located below the dog running section a, If the water surface L1 at low tide, the work of assembling and disassembling the guide frame k can be performed, and furthermore, the work of building concrete sheet piles can be performed.However, at the water surface L2 at high tide, these operations cannot be performed at all. You have to wait until the tide is ready to work.

[0007] As shown in FIG.
Since the sheet pile gripping part n may interfere with the dog running part a, it is necessary to break a part of the dog running part a, which requires time and effort for the hanging work.

[0008]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a guide frame for building a sheet pile, which is laid between a coast and a column built in water at a certain interval from the coast. hand,
The guide frame is composed of a pair of sheet pile guides that guide the front and rear surfaces of the sheet pile to be built in the sheet pile installation direction in a frame body that extends left and right along the coast, and the side end faces of the sheet pile in the sheet pile installation direction. is pressed in a direction substantially perpendicular to, and and a sheet pile pressing member for regulating a construction inclusive posture of the sheet pile, a pair of sheet piles guide body, each plurality of front and rear in the longitudinal side frame forming portion of the frame body Attach the base end of the guide arm with an interval in the left and right direction ,
While allowing distracted toward the lower rear front side guiding arms, the rear guide arm so distracted toward forward and downward, a guide roller mounted rollably to the tip of the guide arm, and the left and right sides
The distance between the guide rollers adjacent to each other at the center is
The width is almost the same as the left and right width of the sheet pile, and they face each other
The distance between the guide rollers to be set is approximately the
The sheet pile holder is detachably mounted on the horizontal support between the front and rear side frame body forming parts, and the middle of the pressing arm extending vertically in the middle of the horizontal support. Attaching the tension tool between the upper end of the pressing arm and the left frame forming part of the frame body, and attaching a pressing roller to the lower end of the pressing arm, It is an object of the present invention to provide a guide frame for building a sheet pile, characterized in that the pressing roller is brought into contact with a side end surface of the sheet pile to be built, thereby enabling a setting posture of the sheet pile to be regulated.

[0009]

[0010]

Embodiments of the present invention will be described below.

In other words, the guide frame according to the present invention is laid between the shore and a column built in the water at a certain interval from the shore, so that the sheet pile can be smoothly and reliably installed. It is for doing.

The guide frame includes a pair of sheet pile guides for guiding the front and rear surfaces of the pile to be built in the direction of the pile in the frame body extending in the left-right direction along the coast, and side end faces of the sheet pile. Is pressed in a direction substantially perpendicular to the direction in which the sheet pile is built, and a sheet pile pressing body that regulates the built-in attitude of the sheet pile is provided.

In this way, when the sheet pile is erected, the guide frame is suspended and fixed between the shore and the column which is erected horizontally at a certain distance from the shore, and a pair of sheet pile guides is provided. By inserting the sheet pile between the bodies and pressing the end face of the sheet pile with the sheet pile pressing body, the sheet pile can be smoothly and reliably erected at a predetermined position.

[0014] Then, by successively repeating the operation of continuously setting the next sheet pile in succession with the above-mentioned sheet pile, a wall for revetment can be constructed.

At this time, after the sheet pile has been erected over substantially the entire width in the guide frame, the guide frame is released from being fixed, and the guide frame is moved in the wall construction direction, so that the above-mentioned wall is constructed. The construction can be performed smoothly, and the work of assembling and disassembling the guide frame is not required.

In addition, since the guide frame is horizontally fixed between the shore and the column, the work of laying sheet piles can be performed irrespective of the ebb and flow of the tide, and the work efficiency is improved. The construction period can be significantly reduced.

Further, since the sheet pile can be built while guiding the sheet pile to the pair of sheet pile guides provided on the guide frame, it is possible to prevent the sheet pile gripping part from interfering with the dog running part during the construction work. As a result, there is no need to attach the dog running section, and the work efficiency can be improved from this point, and the construction period can be significantly reduced.

The pair of sheet pile guides are respectively provided with the base ends of the front and rear guide arms at the front and rear frame forming portions of the frame main body.
Extend the front guide arm rearward and downward, and extend the rear guide arm forward and downward, and install the guide rollers at the tips of both guide arms so as to roll freely, and establish the gap between both guide rollers. It is almost the same as the width of the sheet pile.

In this way, the sheet pile is inserted between the pair of front and rear rolling rollers, and the sheet pile is erected.
The sheet pile can be laid smoothly in place,
The generation of noise can be eliminated, and the sheet pile can be prevented from being damaged.

The sheet pile presser has a horizontal support portion detachably mounted between the front and rear frame forming portions, and a middle portion of the pressing arm extending vertically in a middle portion of the horizontal support portion. And a tensioning tool is interposed between the upper end of the pressing arm and the left frame forming portion of the frame body, and a pressing roller is mounted on the lower end of the pressing arm. The pressing roller is brought into contact with the side end face of the sheet pile in which the sheet pile is to be built, so that the setting posture of the sheet pile can be adjusted.

In this way, the rolling roller is brought into contact with the end face of the sheet pile, and the pressing arm is pulled by the pulling tool, whereby the rolling roller is pressed against the side end face of the sheet pile, and the standing posture of the sheet pile is set. Can be regulated.

Therefore, the sheet pile can be erected vertically, and the wall for revetment can be constructed neatly.

[0023]

Embodiments of the present invention will be described below with reference to the drawings.

A shown in FIGS. 1 and 2 is a guide frame according to the present invention. The guide frame A is a concrete frame built in a frame body 1 extending in the left-right direction along a coast B. And a pair of front and rear sheet pile guides 2 and 3 for guiding the front and rear surfaces of the sheet pile C in the sheet pile construction direction, and pressing the side end faces of the sheet pile C in a direction substantially orthogonal to the sheet pile construction direction to construct the sheet pile C. And a sheet pile pressing body 4 for regulating the insertion posture. 5 is a column built underwater at a certain interval from coast B, 5a
Is a receiver that has flowed to the upper end of the support 5, and 6 is a reference support built at the reference position of the sheet pile.

As shown in FIGS. 1 and 2, the frame body 1 includes a pair of front and rear frame forming portions 1 extending in the left-right direction.
0, 11 and a pair of left and right side frame forming portions 12 and 13 extending in the front and rear direction are formed in a horizontally long rectangular frame shape, and the upper surface portions of the front and rear side frame forming portions 10 and 11 are described later. Sheet pile pressing body 4
Bolt holes for inserting fixing bolts 14 for fixing
Forming 15. Reference numeral 16 denotes a fixing bracket protruding from the rear frame forming portion 11, 16a denotes a fixing bolt hole, 17 denotes a lifting connection bracket, and 17a denotes a connection hole.

As shown in FIGS. 1 to 4, the front sheet pile guide 2 is attached to the lower surface of the front frame forming portion 10 with base ends of a large number of front guide arms 20 spaced apart in the left-right direction. Each of the front guide arms 20 is extended rearward and downward, and a guide roller 21 is rotatably mounted on a front end of the front guide arm 20 by a roller support shaft 22 whose axis is oriented in the left-right direction.

Here, the guide roller 2 adjacent in the left-right direction
1, 21 are arranged so that the interval between the central portions thereof is substantially the same as the left and right width of the pile sheet C to be built.

As shown in FIGS. 1 to 4, the rear sheet pile guide 3 is disposed so as to face the front sheet pile guide 2 in the front-rear direction. The rear ends of the rear guide arms 23 are attached to the rear ends of the rear guide arms 23, and the rear ends of the rear guide arms 23 are extended forward and downward. Are rotatably mounted by a roller support shaft 25 whose axis is oriented in the left-right direction.

Here, the guide rollers 21, 24 of the front and rear sheet pile guides 2, 3 are opposed to each other at substantially the same height in the front and rear direction, and are opposed to each other at substantially the same interval as the front and rear width of the sheet pile C.

As shown in FIGS. 1 to 4, the sheet pile presser 4 has a horizontally extending support portion 30 extending in the front-rear direction between the front and rear frame body forming portions 10 and 11, which is detachably mounted. A pivot bracket 31 projects rightward in the middle of the lower surface of the horizontal support portion 30, and a pivot bracket 33 projects leftward in the middle of the pressing arm 32 extending in the vertical direction. Thus, the two support brackets 31, 33 are connected to each other by a pivot 34 whose axis is oriented in the front-rear direction, so that the pressing arm 32 is rotatable about the pivot 34.

In addition, a tensioning tool 35 is provided between the upper end of the pressing arm 32 and the left frame forming portion 12, and a pressing roller 36 is mounted on the lower end of the pressing arm 32 by a roller support bracket.
It is rotatably mounted by a roller support shaft 38 whose axis is oriented in the front-rear direction via 37.

The horizontal support portion 30 has connecting brackets 40, 40 projecting from the front and rear end portions of the lower surface in a laterally extending manner, respectively.
Fixing bolt holes 41, 41 corresponding to the bolt insertion holes 15 formed in 10, 10 and 11 are formed, and the fixing bolts are inserted in the matching holes 15, 41.
42 is inserted and fixed. 43 is a nut.

As shown in FIG. 2 and FIG.
Attach the large diameter pulley 45 to the upper end of the pressing arm 32 with the mounting bracket 46
And a small-diameter pulley 47 is attached to the left frame forming portion 12.
Is attached via a mounting bracket 48, a wire 49 is wound between the pulleys 45 and 47, and a winding adjuster 50 is attached to one side of the wire 49.
Is provided. Reference numeral 51 denotes a winding adjustment lever.

In this manner, by operating the winding adjusting lever 51 of the winding adjusting body 50 and winding the wire 49, the pressing arm 32 is tilted about the pivot 34 so that the pressing arm 32 is tilted.
A pressing roller 36 attached to the lower end of the sheet pile C is pressed against the left end face of the pile sheet C to be erected, so that the erected posture of the sheet pile C can be regulated.

By performing the operation opposite to the above, the pressing by the pressing roller 36 can be released.

Next, an operation procedure for erection of the sheet pile C using the guide frame A constructed as described above will be described.

As shown in FIG. 1, the coast B and the struts 5,
The guide frame A is laid horizontally between the receivers 5a, 5a protruding from the base 5 and a fixing bolt hole 16a formed in the fixing bracket 16 is provided along the coast B.
The fixing bolt 14 is driven through and fixed.

As shown in FIG. 1, the right end face of the suspended first sheet pile C is brought into contact with the reference column 6, and the sheet pile C is inserted between the guide rollers 21 and 24 facing the front and rear,
Further, by operating the winding adjusting lever 51 of the winding adjusting body 50,
The pressing roller 36 is pressed against the left end face of the sheet pile C.

In this state, the sheet pile C is set up while applying vibration to the sheet pile C by the construction machine E.

As shown in FIG. 1, the take-up adjustment lever 51 is operated on the first sheet pile C erected as described above to release the pressing by the pressing roller 36, and in the same state. The right end face of the suspended second sheet pile C is brought into contact with the sheet pile C, and the guide rollers 21 and 2 oppose the sheet pile C back and forth.
Then, the pressing roller 36 is pressed against the left end face of the second sheet pile C by operating the winding adjusting lever 51.

In this state, the sheet pile C is built while applying vibration to the sheet pile C by the construction machine.

At this time, the fixed position of the sheet pile pressing body 4 is appropriately changed in consideration of the interval between the sheet pile C to be built, and a desired pressing force can be applied to the left end face of the sheet pile C to be built. I have to.

That is, the connection bracket of the horizontal support 30
Fix the fixing bolt holes 41 formed at 40, 40 into the desired bolt insertion holes.
The fixing position can be changed by inserting the fixing bolt 42 into the holes 15 and 41 and tightening the nut 43 so as to correspond to the position 15.

As shown in FIG. 5, the sheet pile C is erected over the entire width of the guide frame A in the left and right directions. Thereafter, the fixing bolts 14 fixing the guide frame A are removed, and the guide frame A is lifted. While being lifted by a lifting machine (not shown) via the connecting bracket 17 for moving, it is moved to the left side, and the above operations (1) to (5) are repeated at the same position to sequentially build the sheet pile C.

As shown in FIG. 5, by repeating the above, a wall D for revetment can be constructed along the coast B.

[0046]

According to the present invention, the following effects can be obtained.

In the present invention, the guide frame includes a pair of sheet pile guides for guiding the front and rear surfaces of the pile to be built in the direction of the pile in the frame main body extending in the left-right direction along the coast, and a pair of sheet pile guides. Since it has a sheet pile pressing body that presses the side end face in a direction substantially perpendicular to the sheet pile installation direction, when laying a sheet pile, it is erected vertically along the coast and at a certain interval from the coast. The guide frame is horizontally suspended and fixed between the support pillars, the sheet pile is inserted between the pair of sheet pile guides, and one side end face of the sheet pile is pressed by the sheet pile pressing body to regulate the erected posture. Thus, the sheet pile can be smoothly and reliably erected at a predetermined position.

Then, by successively and repeatedly performing the work of continuously building the next sheet pile in succession to the above-mentioned sheet pile,
A wall for revetment can be constructed.

At this time, after the sheet pile has been erected over substantially the entire width of the guide frame, the guide frame is released from being fixed, and the guide frame is moved in the wall construction direction, so that the above-mentioned wall is constructed. The construction can be performed smoothly, and the work of assembling and disassembling the guide frame is not required.

In addition, since the guide frame is horizontally fixed between the shore and the column, the work of laying sheet piles can be performed irrespective of the ebb and flow of the tide, and the work efficiency is improved. The construction period can be significantly reduced.

Further, since the sheet pile can be erected while guiding the sheet pile to the pair of sheet guide members provided on the guide frame, it is possible to prevent the sheet pile gripper from interfering with the dog running part during the erection work. As a result, there is no need to attach the dog running section, and the work efficiency can be improved from this point, and the construction period can be significantly reduced.

In the present invention, the pair of sheet pile guides are attached to the front and rear frame forming portions of the frame body with the base ends of the plurality of front and rear guide arms being spaced apart in the left-right direction, respectively. Extends backward and downward,
The rear guide arm extends forward and downward, and a guide roller is rotatably attached to the tip of each guide arm, and the interval between the center portions of the guide rollers adjacent to each other in the left-right direction is:
The left and right widths of the sheet pile to be built are assumed to be substantially the same, and the spacing between the guide rollers facing in the front-back direction is substantially the same as the front and rear width of the sheet pile to be built. By inserting the sheet pile into the sheet pile, the sheet pile can be smoothly built at a predetermined position, noise can be eliminated, and damage to the sheet pile can be prevented.

In the present invention, the sheet pile presser is configured such that the horizontal support is detachably mounted between the front and rear frame forming portions, and the pressing arm extends vertically in the middle of the horizontal support. Part is rotatably mounted around an axis in the front-rear direction, a tensioning tool is interposed between the upper end of the pressing arm and the left frame forming portion of the frame body, and a pressing roller is provided at the lower end of the pressing arm. After mounting, the pressing roller is brought into contact with the side end surface of the sheet pile in which it is built, so that the setting posture of the sheet pile can be adjusted.The rolling roller is brought into contact with the sheet pile side end face, and the pressing arm is pulled by a tensioning tool. By pulling the rolling sheet, the rolling roller is pressed against the side end face of the sheet pile, so that the standing posture of the sheet pile can be regulated.

Therefore, the sheet pile can be erected vertically, and the wall for revetment can be constructed in an orderly manner. At this time, by taking into account the interval between the sheet piles to be erected and the fixing position of the horizontal support portion that is detachably mounted between the front and rear frame forming portions, the desired position of the sheet pile pressing body can be changed. Pressure can be applied to the left end face of the pile to be built.

[Brief description of the drawings]

FIG. 1 is an explanatory plan view of a guide frame according to the present invention.

FIG. 2 is a side view of the guide frame.

FIG. 3 is an explanatory rear view of a state of use of the guide frame.

FIG. 4 is a side view of the use state of the guide frame.

FIG. 5 is an explanatory plan view of a state of use of the guide frame.

FIG. 6 is an explanatory cross-sectional side view of a conventional revetment work.

FIG. 7 is an explanatory cross-sectional side view of a conventional sheet pile erection work.

FIG. 8 is a sectional plan view of the same.

FIG. 9 is an explanatory side view of the same.

[Explanation of symbols]

 A guide frame B coastal C sheet pile 1 frame body 2 sheet pile guide 3 sheet pile guide 4 sheet pile press

Claims (1)

(57) [Claims] 1. A guide frame for building a sheet pile, which is laid between a coast and a column built in water at a certain interval from the coast, wherein the guide frame extends along the coast. And a pair of sheet pile guides for guiding the front and rear surfaces of the pile to be built in the direction of the pile pile, and pressing the side end faces of the sheet pile in a direction substantially perpendicular to the pile pile construction direction. Te, comprising a sheet pile pressing member for regulating a construction inclusive posture of the sheet pile, a pair of sheet piles guide body, left and right directions before and after side frame number respectively forming part number of the base end of the front and rear guide arm of the frame body Between
At the same time , the front guide arm is extended rearward and downward, while the rear guide arm is extended forward and downward, and a guide roller is rotatably mounted at the tip of each guide arm, and , Same as the guide roller adjacent in the left and right direction
The distance between the centers of the chiefs is almost the same as the left and right width of the piles to be built
None, and distance between guide rollers facing each other in the front-rear direction
Is assumed to be substantially the same as the front and rear width of the pile to be built.The sheet pile presser is detachably mounted with a horizontal support between the front and rear frame forming parts, and vertically in the middle of the horizontal support. The middle part of the pressing arm extending to the front is rotatably mounted around the axis in the front-back direction. A guide frame for building a sheet pile, wherein a pressing roller is attached to a lower end of an arm and is brought into contact with a side end surface of a sheet pile on which the pressing roller is built, thereby enabling a setting posture of the sheet pile. .