CN206070543U - For the reinforcement gunite concrete structure of rock mass exposed surface - Google Patents

Abstract

The utility model discloses a kind of reinforcement gunite concrete structure for rock mass exposed surface, belong to the realm of building construction, there is provided a kind of with low cost, the reinforcement gunite concrete structure for rock mass exposed surface of easy construction, including at least one of which casing play and at least one of which concrete layer that are arranged on rock mass exposed surface, the casing play and concrete layer interval setting successively；The casing play is formed by chemical fiber web laying, and the concrete layer is formed by the concrete setting sprayed.For " reinforced frame+gunite concrete " is adopted, version of this utility model using " chemical fibre network framework+gunite concrete ", its advantage is that longtime running will not occur ionization, and the stable chemical nature of chemical fiber web；In addition, the cost of steel can be also saved, and the process of deployment of chemical fiber web is very convenient, therefore construction can be caused convenient, construction period can be shortened, construction cost is reduced.

Description

For the reinforcement gunite concrete structure of rock mass exposed surface

Technical field

This utility model belongs to the realm of building construction, more particularly to a kind of reinforcement injection coagulation for rock mass exposed surface Soil structure.

Background technology

In prior art, shape after the exposed surface of side slope on a large scale formed after rock mass engineering project is excavated or tunnel excavation Into exposed wall etc., it usually needs which is protected, to avoid exposed surface from collapsing.At present, common processing mode is Protected using the structure of " reinforced frame+gunite concrete ", but its presence of the structure of " reinforced frame+gunite concrete " is as follows Shortcoming：First is, gunite concrete easily ftractures, plus reinforcing bar gunite concrete is easily got rusty by raindrop erosion, is likely to result in material Waste or structure is integrally dangerous；Second is, adopts reinforced frame, and which is relatively costly；3rd be, apply man-hour requirement laying or Reinforcement placing frame, therefore work progress is more complicated, long construction period, it is relatively costly.

Utility model content

The technical problem that this utility model is solved be to provide it is a kind of with low cost, easy construction for rock mass exposed surface Reinforcement gunite concrete structure.

This utility model solves the technical scheme adopted by its technical problem：Reinforcement for rock mass exposed surface sprays Xoncrete structure, the reinforcement gunite concrete structure is the lamination layer structure for being arranged on rock mass exposed surface, the composite bed Structure includes at least one of which casing play and at least one of which concrete layer, the casing play and concrete layer interval setting successively；Institute State casing play to be formed by chemical fiber web laying, the concrete layer is formed by the concrete setting sprayed；And when same When the both sides of layer casing play are respectively arranged with concrete layer, the concrete layer positioned at the casing play both sides is by constituting this layer of skeleton The hollow out grid that the chemical fibre of layer is online is connected with each other.

It is further：The material of the chemical fiber web is glass fibre, terylene, chinlon, polypropylene, acrylon, polyvinyl chloride fibre, ammonia At least one in synthetic fibre, carbon fiber and aramid fiber.

It is further：The casing play at least provided with one layer, the concrete layer at least provided with two-layer, at per layer The both sides of casing play are provided with a layer concrete layer；And contact with rock mass exposed surface in reinforcement gunite concrete structure For concrete layer.

It is further：The concrete layer is a grading concrete.

It is further：The thickness of every layer of casing play is 1mm-10mm；Thickness D per layer concrete layer is 3cm-20cm.

It is further：In every layer concrete layer, the layer is provided through along the vertical direction of rock mass exposed surface and is mixed The gap of solidifying soil layer；In same concrete layer, multiple seams are provided with along what the horizontal direction of rock mass exposed surface was spaced Gap；Meanwhile, on the horizontal direction along rock mass exposed surface, the gap in adjacent two layers concrete layer is staggered setting.

It is further：The thickness of each layer concrete layer is D, and the width in the gap is L, and has 0 ＜ L≤2D.

The beneficial effects of the utility model are：For " reinforced frame+gunite concrete " is adopted, this utility model is adopted With the version of " chemical fibre network framework+gunite concrete ", its advantage is that longtime running will not occur ionization, and The stable chemical nature of chemical fiber web；In addition, the cost of steel can be also saved, and the process of deployment of chemical fiber web is very square Just, therefore construction can be caused convenient, can shortens construction period, reduce construction cost.In addition, can also be by mixed at per layer Corresponding gap is set in solidifying soil layer, and can so offset concrete layer is affected by expanding with heat and contract with cold, and then guarantees the steady of its entirety It is qualitative.This utility model can be used for the protection of various side slope exposed surfaces or for tunnel excavation after exposed wall guarantor Shield.

Description of the drawings

Fig. 1 is this utility model for structural representation during side slope exposed surface；

Fig. 2 is the enlarged diagram of regional area A in Fig. 1；

It is have figure that Fig. 3 is the amplification of section B-B in Fig. 1；

Fig. 4 is this utility model for the structural representation after tunnel excavation during exposed wall；

Structural representations of the Fig. 5 for casing play；

It is labeled as in figure：Casing play 1, concrete layer 2, hollow out grid 3, gap 4, reinforcement gunite concrete structure 5, rock mass 6th, the width L in the thickness D of concrete layer, gap.

Specific embodiment

With reference to the accompanying drawings and detailed description this utility model is further illustrated.

As shown in Fig. 1 to Fig. 5, the reinforcement gunite concrete for rock mass exposed surface described in the utility model is tied Structure, the reinforcement gunite concrete structure 5 are to be arranged on the lamination layer structure of 6 exposed surface of rock mass, the lamination layer structure bag Include at least one of which casing play 1 and at least one of which concrete layer 2, the casing play 1 and concrete layer 2 interval setting successively；It is described Casing play 1 is formed by chemical fiber web laying, and the concrete layer 2 is formed by the concrete setting sprayed；And when same When the both sides of layer casing play 1 are respectively arranged with concrete layer 2, the concrete layer 2 positioned at 1 both sides of casing play is by constituting the layer The hollow out grid 3 that the chemical fibre of casing play 1 is online is connected with each other.

Reinforced frame structure of the prior art is replaced using the casing play 1 by made by chemical fiber web in this utility model, Predominantly following 2 points of the effect of its casing play 1, first, by the casing play 1 specifically made using chemical fiber web, it is ensured that The Rotating fields have larger intensity and non-deformability；Second, by using netted setting, effectively can improve casing play 1 with Annexation between corresponding concrete layer 2, and also the hollow out grid 3 that can pass through on casing play 1 realizes the coagulation of both sides Effectively connection between soil layer 2, can so avoid delamination occur between each layer.More specifically, constitute the chemistry of casing play 1 In the material of fleece optional glass fibre, terylene, chinlon, polypropylene, acrylon, polyvinyl chloride fibre, spandex, carbon fiber and aramid fiber at least It is a kind of.As casing play 1 is made using chemical fibre net materials, therefore for reinforced frame, its chemical stability is better than Reinforced frame, and its cost is lower, constructs convenient.

More specifically, for each layer of casing play 1, as chemical fibre net-layer structure, its thickness is generally by chemical fine The material thickness of dimension stratum reticulare determines that generally its thickness may be configured as 1mm-10mm or so.And for the thickness of each layer concrete layer 2 Degree D, it is strict to limit, typically can span be 3cm-20mm；Specifically also dependent on practical situation depending on.And, it is right It is in the setting number of plies of casing play 1 and concrete layer 2, not restricted, in order to play the protected effect to casing play 1, general feelings Be arranged under condition the number of plies of concrete layer 2 than casing play 1 the number of plies more than one layer of structure, be all provided with the both sides of every layer of casing play 1 It is equipped with a layer concrete layer 2.Such as at least provided with one layer of casing play 1, accordingly at least provided with both concrete layers 2；Or according to The laying side of " concrete layer 2- casing play 1- concrete layer 2- casing play 1- concrete layers 2 ...-casing play 1- concrete layers 2 " Formula is laid；Under this kind of paving mode, concrete layer 2 can so will be played to casing play 1 all the time than more than 1 one layers of casing play Protected effect.Certainly, also dependent on the final thickness for needing laying, and the thickness feelings of every layer of casing play 1 and concrete layer 2 Condition carrys out the depth information of the comprehensive number of plies and monolayer for arranging casing play 1 and concrete layer 2.Generally, preferably by first The layer that layer is contacted with 6 exposed surface of rock mass is set to concrete layer 2；Can so improve reinforcement gunite concrete structure 5 with it is naked The connection effect on dew surface.

In addition, the company between the contact effect for Concrete Structure layer 2 with exposed surface, and each layer concrete layer 2 Effect is connect, can concrete layer 2 be further preferably a grading concrete.

In addition, on the basis of the above, can also further in every layer concrete layer 2, along the vertical of rock mass exposed surface Direction is provided through the gap 4 of the layer concrete layer 2；In same concrete layer 2, along the horizontal direction of rock mass exposed surface What is be spaced is provided with multiple gaps 4；Meanwhile, on the horizontal direction along rock mass exposed surface, positioned at adjacent two layers coagulation Gap 4 in soil layer 2 is staggered setting；Situation shown in accompanying drawing 3 is can refer to specifically.The effect in above-mentioned setting gap 4 is to allow The part of 4 both sides of gap is located in same layer concrete layer 2 when deforming, when especially being expanded with heat and contract with cold, can be passed through Certain cushioning effect is played in gap 4, so Concrete Structure layer 2 non-deformability, improve its stability.And it is further Gap 4 in the adjacent two layers concrete layer 2 is staggered setting, is then in order to ensure its overall structural strength.More specifically , generally, when the thickness of each layer concrete layer 2 is D, when the width in the gap 4 is L, may be configured as 0 ＜ L≤ 2D。

Finally, the reinforcement gunite concrete structure for rock mass exposed surface described in the utility model, which can be used for side In the protection engineering of slope exposed surface, as shown in accompanying drawing 1 to accompanying drawing 3；Or can also be used for the guarantor of the wall after tunnel is ended In nurse's journey, as shown in Figure 4；Certainly can also be used in theory other similar caused rock mass due to engineering construction or Soil body etc. occurs in the engineering of exposed surface, to protect rock mass exposed surface.

Claims (7)

1. the reinforcement gunite concrete structure of rock mass exposed surface is used for, it is characterised in that：The reinforcement gunite concrete structure (5) to be arranged on the lamination layer structure of rock mass (6) exposed surface, the lamination layer structure include at least one of which casing play (1) and At least one of which concrete layer (2), the casing play (1) and concrete layer (2) interval setting successively；The casing play (1) is by changing Learn fleece laying to form, the concrete layer (2) is formed by the concrete setting sprayed；And when in same layer casing play (1), when both sides are respectively arranged with concrete layer (2), the concrete layer (2) positioned at the casing play (1) both sides is by constituting the layer The hollow out grid (3) that the chemical fibre of casing play (1) is online is connected with each other.

2. the reinforcement gunite concrete structure of rock mass exposed surface is used for as claimed in claim 1, it is characterised in that：Describedization The material for learning fleece is the one kind in glass fibre, terylene, chinlon, polypropylene, acrylon, polyvinyl chloride fibre, spandex, carbon fiber and aramid fiber.

3. the reinforcement gunite concrete structure of rock mass exposed surface is used for as claimed in claim 1, it is characterised in that：The bone At least provided with one layer, the concrete layer (2) is all provided with the both sides of every layer of casing play (1) rack-layer (1) at least provided with two-layer It is equipped with a layer concrete layer (2)；And what is contacted with rock mass (6) exposed surface on reinforcement gunite concrete structure (5) is mixed Solidifying soil layer (2).

4. the reinforcement gunite concrete structure of rock mass exposed surface is used for as claimed in claim 1, it is characterised in that：It is described mixed Solidifying soil layer (2) is a grading concrete.

5. the reinforcement gunite concrete structure of rock mass exposed surface is used for as claimed in claim 1, it is characterised in that：Every layer of bone The thickness of rack-layer (1) is 1mm-10mm；Thickness D per layer concrete layer (2) is 3cm-20cm.

6. the reinforcement gunite concrete structure for rock mass exposed surface as any one of claim 1 to 5, its feature It is：In every layer concrete layer (2), the layer concrete layer (2) is provided through along the vertical direction of rock mass exposed surface Gap (4)；In same concrete layer (2), multiple gaps are provided with along what the horizontal direction of rock mass exposed surface was spaced (4)；Meanwhile, on the horizontal direction along rock mass exposed surface, the gap (4) in adjacent two layers concrete layer (2) is staggered Arrange.

7. the reinforcement gunite concrete structure of rock mass exposed surface is used for as claimed in claim 6, it is characterised in that：Each layer The thickness of concrete layer (2) is D, and the width of the gap (4) is L, and has 0 ＜ L≤2D.