JPH0480162B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION A. Field of Industrial Application The present invention relates to an erected foundation structure that supports columns such as large road guide signs, and a construction method thereof.

B. Prior art The foundation for building the pillars mentioned above is set depending on the size of the sign, the ground condition, the surrounding situation, etc.

C. Problem to be Solved by the Invention Although the basic structure of the above-mentioned column is nothing more than strong, an unnecessarily strong structure will increase the cost, while a simple structure will reduce the cost. Even if it is possible, there is a problem that it is inferior in robustness.

An object of the present invention is to provide a built-in foundation structure having a structure that is more rigid than a predetermined level and a method for constructing the same, while reducing costs.

D. Means for Solving the Problems In order to achieve the above object, the pillar-built foundation structure of the present invention includes a pair of cylindrical reinforced concrete pile bodies and through-holes on the left and right sides through which the pile bodies are inserted. It consists of a connecting body in which a plurality of anchor bolts are drilled in the center of the hole and a plurality of anchor bolts are implanted to tighten and fix the base of the column, and a plurality of anchor bolts are installed in the center of the connecting body. An adjustment bolt is provided, and the adjustment bolt is brought into contact with the head of the pile body to adjust the horizontal position of the connecting body, and the connecting body and the pile body are integrally connected with quick-drying cement. Furthermore, the construction method involves digging a pair of vertical holes at the bottom of a depression formed by hand, burying each pile body, and leaving the head of the pile body exposed relative to the height of the connecting body. After that, the left and right through holes provided in the connecting body are respectively penetrated into the pile body, and the connecting body is held horizontally on the pile body via adjustment bolts, and then the pile body is fixed with quick drying cement. After the connecting body is fixed to the connecting body, the column base is tightened and fixed to the anchor bolt of the connecting body, and the recess is buried.

Embodiment Fig. 1 is a perspective view showing the foundation structure of a large road guide sign pillar installed using the construction method of the present invention.
Figure 2 is a plan view of the connecting body, Figure 3 is its front view,
Figure 4 is a plan view of the antibody, Figure 5 is its front view, Figure 6 is a front view of the depression and vertical hole dug in the ground,
Figure 7 is a front view of the antibody buried in the recess and vertical hole, Figure 8 is a front view of the connecting body further installed, Figure 9
The figure is a plan view of FIG. 8, FIG. 10 is a longitudinal sectional front view of the state filled with quick-drying cement, and FIG. 11 is a front view of the completed construction state.

In the drawing, 1 is a cylindrical antibody made of reinforced concrete, which must be excavated by hand to a depth of at least 1.2 m (in urban areas, to protect underground objects, it must be excavated by hand to a depth of 1.2 m). It is adapted to be inserted into a pair of vertical holes 11, 11 mechanically bored in the bottom of the recessed part 10 having a depth of 100 mm.

2 is a connecting body made of reinforced concrete;
As shown in the figure, there are through-holes 3, 3 on the left and right sides into which the pile body 1 is loosely fitted, and a plurality of anchor bolts 5 are planted around the square-shaped through-hole 4 provided in the center to reduce weight. The base of the column P, which will be described later, is tightened and fixed.

Reference numeral 6 denotes a horizontal rod that is provided so as to cross the upper surface of the through hole 3.

Adjustment bolts 7 are provided in the through-hole 3 at positions opposite to the peripheral edge of the head of the pile body 1 fitted therein, and the adjustment bolts 7 are brought into contact with the head of the pile body 1, and the connecting body 2 The horizontal position was adjusted.
Reference numeral 8 is a horizontal bar suspended horizontally at a predetermined portion of the upper end of the pile body 1, and is used to facilitate crane lifting work.

In constructing the basic structure of the present invention having the above-described configuration, first, as shown in FIG. Using this method, vertical holes 11, 11 are dug in the bottom of the concave portion 10, and the pile bodies 1, 1 are inserted into the vertical holes 11, 11, respectively, as shown in Fig. 7, leaving the head of the pile body 1 a certain length. After filling the soil 12 with soil 12, the through holes 3, 3 of the connecting body 2 are loosely fitted into the pile bodies 1, 1, respectively, as shown in FIG. At this time, a slight gap d is set in advance between the two, and after this insertion, use a horizontal detection tool etc. to ensure that the surface 2a of the connecting body 2 is horizontal. After making adjustments by bringing the adjustment bolts 7, 7, . After the pseudo-solidification, the column P is fixed to the anchor bolts 5, 5, etc. as shown in Figure 1, and finally the soil 12 is aligned with the ground G as shown in Figure 11. The work will be completed by burying the material up to that point.

G. Effects of the invention As stated above, in the basic structure of the present invention,
Connecting body 2 is formed by two pile bodies 1, 1 buried in parallel.
is supported, and the connecting body 2 can be easily adjusted to the horizontal position by the adjustment bolts 7, 7..., so the column P always maintains the vertical position reliably, which has the effect of increasing the carrying capacity. It has a simple configuration of antibodies 1, 1 and connecting body 2, so assembly work is easy.
It has characteristics such as being able to provide the required strength even when buried relatively shallowly.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the foundation structure of the pillars for displaying large road guide signs installed according to the present invention, Fig. 2 is a plan view of the connected body, Fig. 3 is its front view, and Fig. 4 is the pile Plan view of the body, Figure 5 is its front view, Figure 6
The figure is a front view of a depression dug in the ground, Figure 7 is a front view of a pile body buried in the depression, Figure 8 is a front view of a connecting body installed, and Figure 9 is a plan view of Figure 8. , 1st
FIG. 0 is a longitudinal sectional front view showing the state filled with quick-drying cement, and FIG. 11 is a front view of the completed construction state. 1...Antibody, 2...Connection body, 3...Through hole, 5
...Anchor bolt, 7...Adjustment bolt, 10...
...Concavity, 11...Vertical hole, P...Column, G...Ground.

Claims (1)

[Scope of Claims] 1. A pair of cylindrical pile bodies made of reinforced concrete, through-holes inserted through the pile bodies are drilled on the left and right, and a plurality of anchor bolts are provided in the center of the through-holes for tightening and fixing the base of the column. An adjustment bolt is provided in the through hole at a position facing the periphery of the head of the pile body, and the adjustment bolt is brought into contact with the head of the pile body to remove the connection body. 1. A foundation structure for erecting pillar bodies, characterized in that the horizontal position of the pillar body is adjusted, and the connecting body and the pile body are integrally connected by quick-drying cement. 2. After digging a pair of vertical holes in the bottom of the depression formed by hand digging and burying the pile bodies respectively, leaving the heads of the pile bodies exposed corresponding to the height of the connecting body, attaching them to the connecting body. The left and right through holes are respectively penetrated into the pile body, and the connecting body is held horizontally on the pile body via adjustment bolts, and then the connecting body is fixed to the pile body via quick-drying cement. A method for constructing a column-built foundation structure, comprising tightening and fixing a column base to an anchor bolt of the connecting body and burying the recessed portion.