JPH04209209A - Protecting method for slope - Google Patents

Abstract

PURPOSE:To greatly reduce working hours by combining form bodies to construct a grid shaped side slope, injecting concrete into the form bodies from injection ports, and solidifying the concrete to make it as a slope form of the side slope. CONSTITUTION:Cylindrical forms 14 are combined with T-shaped forms 24 to form a lower end beam 30. After that, the cylindrical forms 14 are connected to both ends of the T-shaped forms 24 through joint forms 20. The T-shaped forms 20 are connected to the ends of the cylindrical forms 14 through the joint forms 20, and the lower end beam 30 having a specific length is formed. Then, concrete is injected from injection ports 25 bored in horizontal sections of the T-shaped forms 24. In that way, slope forms are constructed, and the slope forms are combined to form a slope form of a side slope. According to the constitution, a construction period for slope protection work can be greatly reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a slope protection method for preventing slope collapse or collapse.

(Prior Art) Various methods have been known for protecting slopes. Concrete 1-retaining wall construction method, slope construction method, etc. are known.

Slope protection is carried out on slopes that are at risk of collapsing or collapsing of rocks or earth, or that are already collapsing or collapsing.

For example, in the slope construction method, the formwork is assembled from the bottom to the top of the slope, reinforcing bars are placed, concrete is poured into the formwork, and after the concrete hardens, the formwork is taken apart. Repeat this step by step to build the slope up to the top of the slope.

(Problems to be Solved by the Invention) As described above, protection work on slopes is performed under extremely dangerous conditions.

For example, the slope construction method involves the risk of the slope collapsing and collapsing, and the above-mentioned work steps are performed sequentially, resulting in a long construction period and poor safety.

Therefore, the present invention was made to solve the above problems, and an object of the present invention is to provide a slope protection construction method that can simplify the on-site construction of a slope frame and shorten the construction period.

(Means for Solving the Problems) In order to solve the above problems, the present invention includes the following configuration. .

The slope protection method of the present invention uses a cylindrical mold with reinforcing bars arranged inside, connects the molds to construct a lattice-like frame on the slope, and partially attaches the mold to the slope. The method is characterized in that concrete or mortar is injected through an open injection port to construct a slope frame on the slope.

In addition, when the mold body is tightened with tightening materials such as reinforcing bars and concrete or mortar is poured into the mold body,
You may also keep the mold from expanding.

Furthermore, before constructing a lattice-like frame with molds on the slope,
The slope may be covered with a net in advance.

(effect) Next, we will discuss the effect.

A lattice-like legal framework is constructed by combining the molds, and concrete or mortar is poured into the mold through the injection port. The legal framework is then completed when the concrete or mortar hardens.

By arranging reinforcing bars within the mold, a stronger legal frame can be constructed.

Further, by tightening the mold body with fasteners such as reinforcing bars, the mold body will not swell or deform when concrete or mortar is poured into the mold body.

Furthermore, by covering each section of the slope divided by the slope with a net, it is possible to prevent the collapse and collapse of earth and sand.

(Embodiments) Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In this embodiment, a lattice-like frame is installed on a slope using a combination of a cylindrical frame and an intersecting frame to form a slope.

The frame body 10 has a cylindrical shape 14. It can be constructed by combining the joint type 2o, the cross type 22, and the cross type 24 (see Fig. 1).

Here, the structure of each type will be described.

As shown in FIGS. 2(a) and 2(b), the cylindrical shape 14 is
Inside the cylindrical mold body 14a, the reinforcing bars 18... are placed at positions slightly away from the inner peripheral surface of the 5-shape body 14a (
(in order to ensure the so-called cover thickness). In addition, the reinforcing bars 18... are ring-shaped hoop reinforcing bars 19.
On the other hand, each reinforcing bar 18... protrudes from both ends of the mold body 14a by the length of the joint.

A cylindrical joint mold 20 is also used to connect the cylindrical mold 14 and a cross mold to be described later. This connecting mold 2o is short and has a slightly larger diameter than the cylindrical mold 14, and can be fitted with the cylindrical mold 14. In addition, after binding each reinforcing bar 18 projecting from the one-shaped shape 24 or the cross shape 22 and each reinforcing bar 18 projecting from the cylindrical shape 14, the connecting mold 20 binds these bundled parts. It covers the following.

On the other hand, the cross-shaped shapes include a cross-shaped cross shape 22 and a T-shaped one-shaped shape 24 (see FIGS. 3 and 4).

Both the cross shape 22 and the one-character shape 24 have cylindrical bodies formed in a cross shape and a T-shape, and have reinforcing bars 18 inside as well as spacers 16 and hoop reinforcing bars 19 as in the cylindrical shape 14.
Reinforcement is arranged by... And each reinforcing bar 18...
・The tip protrudes from the opening by the length of the joint.

Next, a method for constructing a frame on a slope using each of the above-mentioned molds will be described together with detailed structures, mainly with reference to FIGS. 1 and 5.

■ Form a lower end beam 30 at the base of the slope.

The lower end beam 30 is formed by a combination of the cylindrical shape 14 and the T-shaped intersecting shape 24.

As shown in FIG. 5, both ends of the 1-shape 24 are connected to the cylindrical mold 14 via joint molds 20. As shown in FIG. Similarly, a single-shaped mold 24 is connected to the end of the cylindrical mold 14 via a joint mold 20.

Similarly, a lower end beam 30 is formed to a predetermined length using the one-shaped shape 24 and the cylindrical shape 14.

A portion of the lower end beam 30 is buried in earth and sand 32.

(2) Concrete 1 or mortar is injected through the injection port 25 drilled in the horizontal part of the 1-shape 24.

(2) The cylindrical shape 14 is connected to the vertical end of the 1-shaped shape 24 via the joint mold 20, and the cross shape 22 is further connected to the upper end of the cylindrical shape 14 through the joint mold 20.

(2) Both horizontal ends of the cross shapes 22 connected from the one-character shape 24 are connected to each other by the cylindrical shape 14 via the joint mold 20 between adjacent cross shapes 22 .

■ Inject concrete or mortar from the injection port 23a at the bottom of the cross shape 22 and the injection port 23b at the horizontal part6.Incidentally, the cross shape 22. It is best to tighten with a fastener 34 such as reinforcing steel to prevent each mold from spreading when pouring concrete or mortar (see Figure 6).

As described above, the first stage of the legal frame is constructed.

■Next, the second stage, third stage, etc. of the legal frame are constructed using the joint mold 20 at the upper end of the vertical part of the cross shape 22 according to the work procedure described in ■ to ■ above. .

■ At the top frame 10, replace the cross shape 22 with 1
The upper end beam 31 is constructed by connecting the shapes 24--. Note that the concrete injection port 25 of the 1-shape 24 is the 1-shape 2
It is necessary to provide it at the top position of 4.

Then, a legal frame is constructed by injecting concrete or mortar from the concrete injection port 25.

■Furthermore, the rectangular compartment 36 of the frame 10...
・ are each covered with a net body 38.

The net 38 may be fixed by hooking or tying it on the fastener 34 (FIG. 1 shows the net 38 stretched over some of the sections 36).

The mesh body 38 is preferably constructed so as to cover each section 36 when the section 36 is constructed in each mold.

The net structure 38 constructed in this way can prevent collapse and collapse of the slope, and can also hold plant seeds and seedlings in each section 36, promoting greening. You can also do it.

In addition, in the above example, it is possible to cover the entire slope surface with a net before constructing the slope frame. If this is done, it is possible to prevent rocks etc. from collapsing during one operation and to ensure safety. able to work.

Further, in the above embodiment, after constructing the frame bodies 10 every several stages, the legal frame may be constructed by pouring concrete or the like. In this case, by completing the frame 10, it will be possible to prevent rocks etc. from collapsing to some extent.

Furthermore, in the above embodiment, each mold was partially tightened with the fastener 34, but a wire rod 40 such as a reinforcing bar was wound in advance in a spiral shape, and the frame 10 was injected into the frame 10 with concrete or the like. 10 may be prevented from expanding in diameter (
(See Figure 7).

Next, other embodiments will be described.

In the above embodiment, instead of the cross shape 22 and the one-character shape 24, a +-shaped cross block 42 and a T-shaped one-character block 44 are used. Reinforcing bars 18 protrude from each end of the cross block 42 and the single-character block 44. In addition, a cross block 42 and a one-character block 4 are shown in FIGS. 8 and 9, respectively.
4 is shown.

In this example, as shown in FIG.

A cross block 42 and a one-shape block 44 are used in place of the cross-shape 22 and one-shape 24.
The frame body 10 is constructed by combining them.

In this embodiment, the same cylindrical shape 14 as in the above embodiment is used, but one used vertically has one injection hole 46 for concrete etc. at the top, and one used horizontally has concrete inlet 46 at both left and right ends. Inlet ports 47, 47, etc. are provided.

When forming the frame 10 using the cross block 42, the 1-character block 44, and the cylindrical mold 14, the connection portion between the ends of the cross block 42 and the 1-character block 44 and the cylindrical mold 14 is connected to the support par 48. By supporting the frame, the assembled frame will not be distorted. Further, if the cylindrical mold 14 arranged as a cross beam is held by the support par 48 in order to maintain the vertical interval between the cylindrical molds 14, it will not be deformed when concrete or the like is poured into the mold.

After the concrete poured into the cylindrical mold 14 hardens,
The support pars 48... are removed 6. Thereafter, each section 36,... of the frame body 10 is covered with the net body 38 as described above. Note that the mesh bodies 38 may be engaged with appropriate engagement members provided on the frame body.

Incidentally, since a slope is not necessarily a flat surface, the cylindrical shape 14 may be deformed according to the slope (11th
(see figure).

In each of the above embodiments, the lower end beam 30 is connected to the base 50 with concrete or mortar, as shown in FIG.
It is also possible to construct the upper stand 50 and provide a convex portion 52 to which the cylindrical mold 14 can be connected.

In each of the embodiments described above, when constructing the frame 10, if there is no danger of rocks or the like collapsing, the frame 10 may be fixed on the slope by reeding force as necessary.

The present invention has been variously explained above with reference to preferred embodiments, but it goes without saying that the present invention is not limited to the above-described embodiments, and many modifications may be made without departing from the spirit of the invention. Of course, it is possible to provide

(Effects of the Invention) Since the present invention is configured as described above, it achieves the following remarkable effects.

l) The molds can be combined to form a frame, concrete or mortar can be poured into the frame, and the work can be constructed as a slope slope frame, which can significantly shorten the work period.

2) It is also possible to construct the mold in advance at a factory, etc., making it possible to significantly shorten the construction time on site.

3) Since each mold is used as a part of the legal frame, there is no need to remove the form at all.

4) By arranging reinforcing bars inside each mold, a stronger legal frame can be constructed.

5) By covering the slope with a net before constructing the legal framework, it is possible to prevent the collapse and collapse of soil, etc., and it is also possible to retain plant seeds and seedlings, promoting greening of the slope. Can do 6

[Brief explanation of the drawing]

Figure 1 shows the legal framework 4i1! according to the present invention. FIGS. 2(a) and 2(b) are a partially cutaway side view and a front view of the cylinder frame, and FIG. 3 is a cross-shaped front view. Figure 4 is a front view of the T-shape, Figure 5 is an explanatory diagram showing the construction state of the lower end beam, and Figure 6 is a tightening tool wrapped around the cross-shaped and cylindrical shapes connected via the joint mold. FIG. 7 is an explanatory diagram showing a state in which a wire is wound around the outer peripheral surface of a cylindrical shape. FIG. 8 is a front view of a cross block, FIG. 9 is a front view of a T-shaped block, and FIG. 11 is an explanatory diagram showing the construction state when the slope surface is not flat; FIG. 12 is an explanatory diagram showing the construction state of the lower end beam. 10...Frame body. 14... Cylinder frame, 16... Spacer, 18... Rebar, 20... Joint type, 22... Cross shape, 24... T-shape, 38... Net body. Figure 1 Figure 10 Figure 11

Claims (1)

[Claims] 1. A cylindrical mold body with reinforcing bars arranged inside is used, the mold bodies are connected to construct a lattice-like frame on a slope, and the mold body is partially opened. A slope protection method characterized by constructing a slope frame on the slope by injecting concrete or mortar through an injection port. 2. The slope protection method according to claim 1, wherein the mold is tightened with a tightening material such as reinforcing steel so that the mold does not swell when concrete or mortar is poured into the mold. 3. The method for protecting a slope according to claim 1 or 2, wherein the slope is covered with a net before constructing the lattice-like frame using molds on the slope.