JP3086219U - Underground infiltration porous block with reinforcement abutment - Google Patents

Abstract

(57) [Summary] (Modifications required) [Problem] To prevent breakage during production demolding, stocking and construction of various porous blocks penetrating rainwater underground, increase bending strength due to load, and improve appearance after construction. Also provide. An abutment portion 4-a having a thickness not exposed to a porous portion on a bottom surface of a product is detachably suspended at four positions on both sides of a main reinforcing bar 1-1 or a reinforcing bar at a position about 1/4 from both ends of the product. Construction abutments 4-a are provided as construction means, in which a construction suspender serving as a hand is provided, and high-strength cast concrete is attached to and bonded to the porous concrete.

Description

[Detailed description of the invention]

[0001]

[Industrial applications]

 The present invention relates to a porous block that prevents breakage during production demolding, stocking, and construction of various porous blocks infiltrated with rainwater underground, and has increased bending strength due to load.

[0002]

[Prior art]

 Although not shown in various porous blocks in which conventional rainwater penetrates underground, it is not shown, but the utility model application applicant has filed a utility model application publication, Sho 50-44695 (Filing 48-5-15). Patent application publication 50-50496 (Application 48-5-15) Patent application publication 52-51717 (Application 49-6-12) In addition, there are products with a contoured part made of ordinary concrete and a porous inner surface. It is.

However, these products have the following disadvantages and problems.

[0004] One of the side walls is a product that protrudes the trabecula out of the side wall to obtain the effective thickness of the rebar with the reinforcement thickness against the load, and the side wall is made porous. Although effective as a drainage (penetration) product, there were issues with mold and manufacturing costs.

[0005] A product having a large porous void along the top of ● is a product devised to be highly effective structurally, but has a drawback that efficiency is not improved due to an increase in the number of steps in manufacturing the product.

[0006] The invention product of ● has a great effect on drainage of road subgrades, private lots, public grounds, parks, etc. However, there were problems with rainwater drainage (underground penetration) products.

[0007] In the case of a product in which the outline of ● is made of ordinary concrete and the inner surface is made of porous material, a long curing time is required to obtain the strength (bending stress) of manufacturing and removing the product. There was a defect that cracks occurred at the center of the bottom slab and the side wall joint due to the applied load stress. Therefore, the inventor of the present invention engaged in the manufacture and construction of these products while solving the following problems.

[0008]

[Problem to be solved by the invention]

It is an object of the present invention to make it easy to manufacture with a mold of a conventional ordinary product and reduce costs.

It is an object of the present invention to increase the strength of a hanging portion at the time of demolding at the time of product manufacturing, and to make it possible to perform reasonable construction using this hanging hand at the time of construction.

It is an object to shorten the initial curing time of a product.

An object of the present invention is to provide a cost-effective and inexpensive tough product by improving the adhesion of a tensile reinforcing bar or a reinforcing bar. The task is to prevent cracks from occurring at the center of the bottom slab and the side wall joints due to load stress during and after construction, and also to consider product aesthetics. In view of the above problems, the solution of the present invention is as follows.

[Means to be Solved by the Invention]

[0013] A conventional concrete form in which a main reinforcing bar or a reinforcing reinforcing bar is buried on the back surface of a conventional normal product form, and an abutment having a thickness which is not exposed to a porous portion on a construction surface, is about 1/4 from both ends of the product. It is means to be provided at the position.

The main reinforcing bar or the reinforcing reinforcing bar of the abutment is a means for providing a long suspending hand, which also serves as a suspending hand at the time of manufacturing so that it can be bent and used at the time of transportation and construction.

[0015] The concrete of the abutment is a cast concrete having a relatively high blending ratio, which is a means for securing demolding strength at an early stage, and in consideration of the appearance after the product is constructed, the concrete poured into the porous block is only exposed to the surface after the construction. No means. Next, this will be described in an embodiment.

[Example of the invention]

First, a dish-shaped porous block A-1. Is shown in a schematic perspective view of a concrete casting surface of a dish-shaped porous concrete product shown in FIG. 1 and a cross-sectional view taken along a line AA of FIG. The main form of the main reinforcing bars 1-1. And distribution reinforcing bars2. And a main reinforcing bar or reinforcing bar at a position approximately L / 4 from both ends of the product length 1-2. And the main reinforcing bar or reinforcing bar 1-2. 5.5. The length of the formwork can be bent at the time of product construction (usually more than 15cm exposed from the concrete finished surface) and welded or tied and put in to make the round part of the formwork (the bottom of the bottom slab after the work) hidden about 20mm and porous Concrete3. (Concrete with little use of sand, usually 5-13 mm if crushed stone or river gravel is used) Press or hammer in and place abutment 4-a. 4-a. High loading of construction (rich blending 30 N / mm ² or more) of the pouring concrete (may be used as the concrete pouring of high-early-strength cement formulation, may be early strengthening agent-mixed using) 4.4. 2. Porous concrete is attached by installing a formwork for void construction. And then remove this formwork, where high-strength cast concrete 4.4. 2. Porous concrete Attached to and cast into a dish-shaped porous block A-1. As the production curing, the hanging hand 5.5.5.5. The four products are lifted and the product is removed, the product is turned over at the time of construction, the lifting hand is bent, and this is used as the construction work lifting device.

Next, a pedestrian-bounded boundary porous block B-1. 3 will be described with reference to a perspective view of FIG. 3 and a schematic cross-sectional view of a BB construction main part of FIG. 4. 1. Distribution reinforcing bars Are the dish-shaped porous blocks A-1. Although not shown because it is the same as that of the main reinforcing bar or the reinforcing bar 1-2. At a position approximately L / 4 from both ends of the product length. And the main reinforcing bar or reinforcing bar 1-2. Is the hanging hand rebar 5.5. At the same time as welding or bundling with auxiliary reinforcing bars on the sidewalk boundary block 1-3. Weld or tie them together and pour the pedestrian block into the concrete and cast concrete. Next, the porous concrete was placed on the foundation board. 2. Porous concrete so that the round bottom slab of the formwork (the bottom exposed above the ground after construction) is hidden about 20 mm. Press or hammer in and abutment 4-a. 4-a. 2. Add the formwork, and then add porous concrete. And the abutment 4-a. Remove the formwork and cast a high-strength concrete with a slap of about 5 to 8 cm in this area 4.4. And a porous concrete block B-1. The construction is performed as shown in the above-mentioned explanation, using a dish-shaped porous block A-1. It is to be reversed and constructed in the same manner as above.

Further, as an example, a frame-filled porous block of a reinforced concrete gutter for roads C-1. 5 and FIG. 6 is a cross-sectional view taken along the line C-C of FIG. Ordinary pouring concrete in the part that constitutes 4-1. (About 28 N / mm ² ) and porous concrete on both sides (not shown) 2. A porous partition concrete frame is provided so that the bottom slab (the bottom of the channel after construction) can be hidden by about 20 mm so that no water can enter. Is pressed or hammered in, and the abutment 4-a. 2. Formwork is attached, and porous concrete is added. And the abutment 4-a. Remove the formwork and cast a high-strength concrete with a slap of about 5 to 8 cm in this area 4.4. And abutment 4-a. 4-a. Frame Polar Blocks for Reinforced Concrete Gutters for Roads Constructing C-1. It is assumed that. In addition, the schematic perspective view at the time of manufacture of FIG. 7 and the cross-sectional view taken along the line DD of FIG. 8 show the porcelain front side grooved porcelain grooved porosity used in private areas and parks with a small loading load. Block D-1. Of the frame porous block C-1. This is a product that does not have a normal cast concrete frame.

By configuring the present invention as described above, the following actions and effects can be obtained.

[0020]

[Functions and effects of the invention]

[0021] The product of the present invention can be easily manufactured only by attaching a part of the attachment frame to the mold of various conventional ordinary products, so that the cost of the mold can be reduced.

Product length L. From the both ends, a highly-mixed cast concrete abutment is reinforced with a reinforcing bar and attached to the porous portion from both ends at the L / 4 position. Since it has a tough structure with strength, it can be released from the mold in a short curing time like a normal cast concrete product with a short curing time, and at the same time, the hanging hand rebar is moved to both sides of the product width (4 places). Since the length is long, it has the effect of bending this to be used as a suspender during product construction.

The abutment portion composed of the main reinforcing bar or the reinforcing reinforcing bar has an action and an effect of preventing cracks from being generated in the central portion of the bottom plate portion and the side wall joint portion due to the applied load stress.

In addition, since the cast concrete of the abutment portion is configured not to be exposed to the porous portion after the construction, the effect is also large in aesthetic appearance.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a casting surface of a dish-shaped porous block.

FIG. 2 is a sectional view of a main part taken along line AA of FIG. 1;

FIG. 3 is a perspective view of a porous block with a footpath boundary with a foundation.

FIG. 4 is a schematic cross-sectional view of a BB construction main part of FIG.

FIG. 5 is a schematic perspective view of a reinforced concrete gutter for a road in which a cast-in-porous frame is cast;

FIG. 6 is a sectional view taken along line CC of FIG. 5;

FIG. 7 is a schematic perspective view of a full-scale porous block of a reinforced concrete gutter for a road during manufacture.

FIG. 8 is a sectional view taken along line DD of FIG. 7;

[Explanation of symbols]

1-1 Main Reinforcing Bar 1-2 Main Reinforcing Bar or Reinforcing Reinforcing Abutment 1-3 Auxiliary Reinforcing Bar of Pedestrian Border Block 2 Distribution Reinforcing Reinforcement 3 Porous Concrete 4 High Concrete (Rich Mix 30N / mm ² or more) Cast Concrete 4 -1 Normal (28N / mm ² approximately) of pouring concrete 4-a abutment section 5.5 hand strap vol.6 catch basins 7 collecting pipe 7-1 drainage pipes 8.8 bearings 9-1 roadway paving lid 9 -2 Pavement pavement 10-1 Car roadbed 10-2 Pavement roadbed 11 Foundation concrete 12 Foundation chestnut 13 Drainage through hole A-1 Plate type porous block B-1 Pavement boundary boundary porous block with foundation C-1 Reinforced concrete gutter for road Contour pouring porous block D-1 Porous block of reinforced concrete gutter for road used in sandy ground

Claims (1)

[Utility model registration claims] 1. In various porous blocks of rainwater underground penetration having a length of at least twice the product width, a hanging hand is bound to a main reinforcing bar or a reinforcing bar at positions approximately 1/4 from both ends of the product length. An underground infiltration porous block with a reinforcing abutment that is cast into two places from the back with a relatively high mix of cast concrete with a thickness that does not expose to the porous part of the construction surface