JPH0452322A - Concrete block masonry method - Google Patents

Abstract

PURPOSE:To relieve the fatigue of a worker and shorten a working time by bonding concrete blocks so that small and large width phase shells can be alternately arranged in a horizontal direction. CONSTITUTION:In blocks 11, rectangle phase shells 12, long in the left and right direction of a wall, and rectangle phase shells 13, long in a vertical direction, are provided, and a joining part 14 is integratedly formed across the middle parts of these mutually facing phase shells 12 and 13. First one block 11 is installed so as to be inserted among reinforcements 16, 17,and 18 from a side with a small width phase shell 13 as the first. Then another block 11 is inserted from an opposite side with a small width phase shell 13 as the first similarly to be placed in the next to the previous block 11. Repeating this, small and large width phase shells 13 and 12 are piled up so as to be alternate in the left and right direction of a wall.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a concrete block masonry method used mainly for constructing foundation beams.

In the conventional technique of flat foundations, a method has been considered in which the foundation beams are constructed using formwork concrete blocks. Figure 3 shows the state in the middle of construction of a foundation using such formwork concrete blocks.
This is pressure-resistant concrete that constitutes the solid part, and formwork concrete blocks 2 are stacked in three tiers on the top surface of this pressure-resistant concrete 1. This pressure-resistant concrete 1 has vertical reinforcements 3 buried in the lower end thereof in advance and protrudes upward, and these vertical reinforcements 3 are connected to the formwork concrete block 2.
This formwork concrete block 2 is laid so that it is placed inside the formwork concrete block 2, and horizontal reinforcements 4.5 in the wall left and right direction are placed between the upper and lower concrete blocks 2, and in this state, the formwork concrete block 2 is placed inside the formwork concrete block 2. Fill with concrete
This is to construct a foundation beam that is integrated with concrete blocks 2. In this case, as shown in the figure, the vertical stripes 3 are
The upper end of the vertical reinforcement 3 is bent into a rectangular shape in a kind of loop shape, and the horizontal reinforcement at the uppermost end is placed in the gap 8 between the upper end of the looped vertical reinforcement 3 and the connecting part 6 of the uppermost concrete block 2. It is necessary to interpose a certain upper end reinforcement 5.

FIG. 4 shows a conventional formwork concrete block 2 and its masonry method. Formwork concrete block 2 is
As shown in the figure, it consists of a pair of face shelves 7 of the same shape facing each other and a pair of connecting parts 6.6 that connect the face shelves 7. In this case, 6 between each connection part
．． The above-mentioned vertical bars 3, which are set up in advance, are arranged in the spaces between the spaces 6 and 6, respectively, so as to pass through them.
It is necessary to install the vertical reinforcements 3 into the space from above, and install the required intermediate horizontal reinforcements 4 each time blocks 2 are stacked up, and finally insert the upper reinforcements 5 in the wall direction. It is installed by inserting it into the gap 8 from the extreme end.

Incidentally, US Pat. No. 4,577,447 describes a block in which a connecting part is divided at the middle part in the wall thickness direction, and blocks are stacked from both the left and right sides of reinforcing bars.

Problems to be Solved by the Invention As mentioned above, in the past, when stacking formwork concrete blocks 2, it was necessary to lift every level of concrete blocks 2 to above the vertical bars 3, and each Since it is necessary to install the vertical bars 3 between the connecting parts 6, if such stacking is done manually, there is a disadvantage that the worker will be very fatigued and the working time will be long. . In addition, since horizontal reinforcement 4.5 has to be done after stacking blocks 2, the reinforcement work has to be done in two parts, which makes arranging reinforcement work difficult and increases labor costs. become. In addition, the upper end reinforcement 5 at the top end must be inserted from the end in the wall direction after the concrete blocks 2 are stacked, but normally this type of foundation beam is always in an L shape rather than a single straight line. Since it is specified as a type or one-character shape, it is actually impossible to insert it, and in the end, such a foundation itself becomes impossible.

Further, according to the invention of the above-mentioned US patent, the blocks can be stacked from the side, and therefore the transverse reinforcement can also be placed in advance, but since the face shells on both sides of the wall are separated, There is a risk of it collapsing due to lateral pressure when filling with concrete.

Means for Solving the Problems In order to solve the above problems, the present invention connects a pair of face shells facing each other at a connecting portion, and changes the width of one face shell in the saint's right direction to that of the other face shell. The present invention is characterized in that concrete blocks formed to have a width narrower than the width of the concrete blocks are stacked so that the narrow face shells and the wide face shells alternate in the horizontal direction.

Further, according to the invention of the above-mentioned US patent, the blocks can be stacked from the side, and therefore the transverse reinforcement can also be placed in advance, but since the face shells on both sides of the wall are separated, There is a risk of it collapsing due to lateral pressure when filling with concrete.

Function According to the configuration of the present invention, masonry can be carried out by inserting from the side between the reinforcing bars from the narrow face shell side, and work can be carried out even when the transverse reinforcing bars are arranged in advance.

Embodiment In FIGS. 1 and 2 showing an embodiment of the present invention, the formwork concrete block 11 used in this embodiment has a rectangular face shell 12 that is long in the right direction, and a rectangular face shell 12 that is long in the vertical direction. A connecting portion 14 is integrally formed across the center portions of these face shells 12 and 13 that face each other.

The heights of these face shells 12 and 13 are the same, but the width in the right direction of the saint is
12 is said to have decreased slightly, while 12 has significantly increased. On the other hand, in the part corresponding to the pressure-resistant concrete 150 foundation beam that constitutes the solid part, as mentioned above, there are many vertical bars 16, 16, whose upper ends are bent into a rectangular loop shape, spaced apart in the wall direction. It is buried in advance. Furthermore, this vertical stripe 16 has 3
For the blocks 11 stacked in stages, the first and second stages
A pair of horizontal bars 17.17 in the wall direction interposed between the steps;
A pair of horizontal reinforcements in the wall direction, that is, upper end reinforcements 18 and 18 arranged at the upper part of the uppermost block 11 are each welded to the vertical reinforcements 16 in advance. In this case, the upper end reinforcement 18 has a vertical reinforcement 16 at a part of the corner bent into a rectangular loop shape.
It is welded on the inside.

The concrete blocks 11 formed as described above are made by first forming one block 11 as shown in FIG.
Place the narrow face shell 13 at the beginning and insert it between the reinforcing bars 16, 17, and 18 from the side, and then install another block 11 on the opposite side with the narrow face shell 13 at the beginning. Insert it from one side and place it next to it, and while repeating this, insert the narrow face shell 1.
3 and large face shells 12 are stacked alternately to the right of the saint.

As shown in FIG. 2, at the corner bent in an L shape, the side surface of the narrow face shell 13 in the block 11 of one straight section A comes into contact with the end surface of the wide face shell 12 in the other straight section. An L-shaped block plate 19 is provided to close the cut on the outer surface on the opposite side. In addition, at a part of the corner of the T-shape, the wide end surface of the face shell 12 at the end of one straight section C is brought into contact with the side surface of the other straight section B, and the narrow face shell 12 at the end of one straight section C is brought into contact with the side surface of the other straight section B. A flat block plate 20 is interposed to close the gap between the end surface of the shell 13 and the side surface of the other straight portion B.

Furthermore, the face shell 12.13 on one side of the other straight section B is cut out to form a transverse strip 17.1 on the one straight section.
8 protrudes from this notch 21, and the opposite side fr31
7.18 is connected.

Effects of the Invention As described above, according to the present invention, even when the vertical and horizontal reinforcements, especially the upper end reinforcements, are placed first, by inserting the narrow face shell into the spaces between the reinforcing bars, Can be stacked from the side. Therefore, the reinforcing bars can be placed all at once, and there is no need to lift the concrete block upwards and insert the vertical bars into the spaces between the joints. This has the effect of reducing labor costs for striations and stacking. In addition, since there is no need to insert the upper reinforcement from the end of the wall, even foundations bent in an L or T shape can be constructed using such formwork concrete blocks. be. In addition, since the blocks are not divided in the wall thickness direction, there is no risk of them collapsing due to lateral pressure when concrete is poured. It has the advantage of not having to be kept.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing a method of stacking blocks in an embodiment of the present invention, Fig. 2 is a plan view of main parts of blocks stacked, and Fig. 3 is a foundation beam using formwork concrete blocks. FIG. 4 is a longitudinal sectional view showing the state before concrete filling, and a perspective view showing a conventional method of building blocks in a foundation beam. 11... Formwork concrete block, 12.13...
-Face shell, 14...Connection part. Figure 3

Claims (1)

[Claims] A concrete block in which a pair of face shells facing each other are connected by one connecting part, and the width of the wall of one face shell in the left-right direction is narrower than the width of the other face shell is used as the small-width face shell. A concrete block masonry method characterized by masonry in which wide face shells are alternated in the horizontal direction.