JPS63759B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dry masonry construction method for shielding concrete blocks in which a plurality of shielding concrete blocks are stacked to form a wall.

The conventional method of constructing a wall by stacking a plurality of shielding concrete blocks is the wet masonry method, and as shown in FIG.
A layer of mortar 3 is applied to the upper surface of the slab below the opening A to a predetermined thickness, and the first stage of shielding concrete blocks 9 are placed on top of it in the thickness direction and longitudinal direction of the wall while keeping each shielding concrete block 9 level. At the same time, joint mortar 10 is filled in the abutting portions of each shielding concrete block 9. Next, the first stage shielding concrete block 9
A joint mortar 10 is filled on top, and a second stage shielding concrete block 9 is laid on top in the thickness direction and longitudinal direction of the wall, and the joint mortar 10 is filled in the butt portions of each shielding concrete block 9. . When the second stage of shielding concrete blocks 9 is completed, the level of the second stage of shielding concrete blocks 9 is adjusted by hitting them with a wooden hammer or the like. Below, use the same method for the 3rd and 4th rows.
Layer... stack up to the top. After the shielding concrete on the top floor has been laid, joint mortar 10 is filled between the shielding concrete 9 on the top floor and the upper end of the opening A. In addition, joint mortar 10 is placed between both left and right ends of the opening A and the shielding concrete block 9 in parallel with the work of stacking the shielding concrete blocks.
Fill it. Further, if necessary, reinforcing hardware (such as a wire truss or a band plate) 11 is inserted every time two or three layers of shielding concrete blocks 9 are stacked to provide rigidity as a wall. Moreover, if the opening A is large, a shaped steel or the like is used as a stud or lintel.

However, the wet masonry method requires stacking multiple shielding concrete blocks while filling the joints with mortar at the joints between the shielding concrete blocks, and adjusting the level of the shielding concrete blocks for each tier, making construction extremely troublesome. . Also,
Since shielding concrete blocks are held together by an uncertain element such as the adhesive force of joint mortar, they cannot be said to have excellent safety, rigidity, and toughness.

This invention was developed in order to solve the above-mentioned conventional problems, and its purpose is to eliminate the use of joint mortar and form a concave groove approximately in the center of the upper and lower surfaces of the shielding concrete block to form a roughly H-shape. The basic block is a shielding concrete block,
These multiple shielding concrete blocks are arranged so that the adjacent side shielding concrete blocks interlock with the groove and the side pieces of the groove so that they are integrated into the thickness surface of the wall.
By stacking the walls in a staggered manner in the vertical direction with respect to the longitudinal direction, labor saving and simplification of construction can be achieved, as well as safety.
An object of the present invention is to provide a dry masonry construction method for shielding concrete blocks that can construct a wall with excellent rigidity and toughness.

Below is an example illustrating a method of constructing a wall in a section where shielding concrete blocks are destroyed to secure a passage when equipment installed indoors is to be carried outside for repair or renewal in the future using this invention. This will be explained by.

The shielding concrete blocks are middle block 1,
3 of the first side block 7 and the second side block 8
The middle block 1 has a cross section of about H, with grooves 2, 2 formed on the upper and lower surfaces in the length direction of the block, and a thinner center and thicker grooves 5, 5 on both sides of the groove. The first side block 7 is a roughly T-shaped block in cross section, with one side 5 formed equal to the thick wall side piece 5 of the middle block 1 and the other side 2' formed equal to the thin wall section of the groove 2. It is. The second side block 8 has one side equal to the thick side piece 5 of the middle block, and the other side a thick part 5' having a width equal to the width of the thin part of the first side block 7. It is a block with a substantially H-shaped cross section, with grooves 2, which are the same as the grooves of the middle block, formed on the upper and lower surfaces at approximately the center in the length direction.

The construction of walls using these shielding concrete blocks begins with placing mortar 3.
Apply to the specified thickness.

On this mortar 3, the first side block 7, the middle block 1, and the second side block 8 are arranged in parallel in the thickness direction of the wall 4, and the first side block 7, the second side block 8 are arranged in the longitudinal direction of the wall 4. The side blocks 8 are arranged so as to be offset by half the length of the middle block 1.

Next, the thick parts 5, 5 of the adjacent blocks stacked on top are interlocked with the concave grooves 2, 2 of each block, and the blocks are sequentially staggered in the vertical direction of the wall 4 in the thickness direction and longitudinal direction of the wall. Stack them in a shape.

That is, on the mortar 3, in the first stage, rows of blocks of the same type are arranged in the order of the first side block 7, middle block 1, and second side block 8 in the thickness direction of the wall, and in the longitudinal direction of the wall. The blocks of adjacent block rows are arranged so that they are in contact with each other at positions offset by half their length in the longitudinal direction, and the blocks arranged in the second row are placed on top of the blocks arranged in the first row. In the thickness direction of the wall, in the order of second side block 8, middle block 1, and first side block 7,
In addition, rows of blocks of the same type are formed in the longitudinal direction of the wall, and the blocks in the row of blocks above the first row of blocks are shifted by half their length from the blocks below in the longitudinal direction of the wall. By arranging them in the same manner as shown in FIG.

Note that the first side block 7, middle block 1, and second side block 8 each having a half length are stacked at required locations so that the side faces facing the opening A are flush with each other.

In this way, at the opening A, the middle block 1, the first side block 7, and the second side block 8
Each block constitutes an integrated wall 4.

After the stacking of the blocks 7, 1, and 8 on the top floor is completed, mortar 6 is filled in the gap between each block on the top floor and the upper end of the opening A of the existing wall. Additionally, mortar 6 is filled into both sides of the opening A of the existing wall body and the gaps between each block in parallel with the stacking operation of each stage of blocks. Furthermore, 2 in the concave groove 2
By inserting the two groove side pieces 5, 5, it is possible to ensure that the blocks are stacked together quickly and to further increase the rigidity of the wall.

Depending on the thickness of the wall 4, the middle blocks 1 may be further stacked in parallel in the thickness direction.

In addition, in the example, we explained the construction method of the wall in the part where the shielding concrete block is collapsed to secure a passage when the equipment installed in the future is to be repaired or carried outside for renewal. It is also possible to construct a fence. To construct a block wall, a frame is constructed of pillars and beams made of shaped steel or precast concrete, and shielding concrete blocks are stacked inside the frame.

This invention has the above configuration and can be expected to have the following effects.

The joint mortar between the shielding concrete blocks can be omitted, and waste (mortar) containing radiation can be removed when the shielding concrete blocks are removed.
becomes less.

Three types of shielding concrete blocks are used, and extremely thin blocks, which are half the thickness of the basic block, are not used, so strong masonry can be achieved and reinforcing hardware can be omitted.

Adjacent shielding concrete blocks are integrated by mechanically interlocking the groove and side pieces of the groove, so there is no uncertain element of adhesion between reinforcing hardware and joint mortar as in the wet masonry method. Therefore, construction work can be simplified and simplified, and
It is possible to construct a wall that is safe, has excellent rigidity, and toughness.

Since the shape of the shielding concrete block is simple, the shielding concrete block can be molded at a cost comparable to that of a wet block, and can be mass-produced.

Since the amount of water, sand, cement, etc. used on site is reduced, construction can be carried out even in areas where interior decoration has been completed.

Since no joint mortar is used to stack each block, the strength of the mortar does not limit the height of blocks stacked in a day, which shortens the construction period.

[Brief explanation of the drawing]

Figures 1 to 6 show examples of the present invention, with Figure 1 being a front view of the wall, Figure 2 being a vertical sectional view of the wall, and Figure 3 being a perspective view showing the construction method. , 4th
5 and 6 are perspective views of shielding concrete blocks, and FIG. 7 shows a conventional example, and is a vertical sectional view of a wall constructed by the wet masonry method. A... Opening, 1... Middle block, 2... Groove, 3... Mortar, 4... Wall, 5, 5'...
... Groove side piece, 6... Mortar, 7... First side block, 8... Second side block, 9... Shielding concrete block, 10... Joint mortar, 11...
...Reinforcement hardware.

Claims (1)

[Claims] 1. A middle block with a cross section of approximately H shape, with a concave groove formed on the upper and lower surfaces of the central center in the longitudinal direction of the block body, with a thin wall in the center and thick walls on both sides, and one side on the other side, which is equal to the thick wall part of the middle block. A first side block with a generally T-shaped cross section formed to be equal to the thin wall part of the middle block, and a thick wall whose width is equal to the thick wall part of the middle block on one side and equal to the width of the thin wall part of the first side block on the other side. Dry masonry of a shielding concrete block in which a wall is constructed by stacking shielding concrete blocks, each consisting of a second side block and a second side block having a concave groove equal to that of the middle block on the upper and lower surfaces approximately at the center in the longitudinal direction of the block body. This is a construction method where mortar is first applied to the top of the slab.
On this mortar, the first side block, middle block, and second side block are arranged in parallel in the wall thickness direction, and the first side block and second side block are arranged at the same length as the middle block in the wall longitudinal direction. Next, stack the blocks so that the thick parts of the adjacent blocks stacked on top engage with each other in the concave grooves of each block. A dry masonry method for shielding concrete blocks that is stacked vertically in a staggered manner.