CN209353357U - Soil nailing anchors protective slope structure - Google Patents

Abstract

The utility model discloses a kind of soil nailings to anchor protective slope structure comprising: soil nailing, the soil nailing anchor into the surface that in slopes and outer end extend out to the slopes；Steel mesh is laid in the surface of the slopes；Cross-rib is fixed on the outer end of the soil nailing and sticks in the outside of the steel mesh.The utility model, to consolidation process is carried out at the reinforcement welding of soil nailing and steel mesh, forms cross reinforcing bar soil nailing welding structure by cross-rib, can form the effect of similar arch without beam, can satisfy the force request of slope protection, both save manually, also saved amount of reinforcement.

Description

Soil nailing anchors protective slope structure

Technical field

The utility model relates to architectural engineering construction technique fields more particularly to a kind of soil nailing to anchor protective slope structure.

Background technique

It is single in terms of the reinforcing bar and concrete stress for, superstructure can be described as two opposite structures of force analysis with slope protection Part: the former column and column muscle are pressurized, and column and superstructure junction are by sagging moment；And the latter is on the contrary.Beam, plate in rib-beam floor frame and Column is analogous respectively to stiffener, gunite concrete surface layer and column in slope protection.Rib-beam floor frame is selected in general structure design, is needed More stiffener is set.

Utility model content

In view of existing in the prior art or potential some problems, the utility model provides a kind of no setting is required reinforcing rib Soil nailing anchor protective slope structure, save artificial, save amount of reinforcement.

To achieve the above object, the technical solution adopted in the utility model are as follows: a kind of soil nailing anchoring protective slope structure, packet It includes:

Soil nailing, the soil nailing anchor into the surface that in slopes and outer end extend out to the slopes；

Steel mesh is laid in the surface of the slopes；

Cross-rib is fixed on the outer end of the soil nailing and sticks in the outside of the steel mesh.

Be using the beneficial effect of the utility model: by cross-rib to the reinforcement welding of soil nailing and steel mesh at Consolidation process is carried out, cross reinforcing bar soil nailing welding structure is formed, the effect of similar arch without beam can be formed, can satisfy slope protection Force request, both saved artificial, and also saved amount of reinforcement.

In some embodiments of the utility model, the quantity of the soil nailing be it is multiple, multiple soil nailings are centainly to indulge Multiple equidistant tandems are scattered in spacing, and the soil nailing alignment that the soil nailing dislocation in adjacent columns is arranged, is separated by tandem Arrangement.

In some embodiments of the utility model, the cross-rib is formed by two L-type reinforcement weldings, two L Longer section of bending place overlap joint in steel bar is welded together, and forms cross-type shape.

In some embodiments of the utility model, two longer sections of lap-welded length are more than or equal to five in the cross-rib The diameter of the cross-rib again.

In some embodiments of the utility model, longer section of length is equal to the institute of the soil nailing in the L-type steel muscle The a quarter of longitudinal pitch is stated plus overlap welding length.

In some embodiments of the utility model, it is equal to the institute of the soil nailing in the L-type steel muscle compared with the length of short section State a quarter of longitudinal pitch.

In some embodiments of the utility model, the outer end of the soil nailing has been bent to form crotch, the crotch It is set at the overlap welding of the cross-rib.

In some embodiments of the utility model, the lap-joint of the crotch and the cross-rib is welded to each other.

In some embodiments of the utility model, the portion envelops anchored into the slopes in the soil nailing have cement filling Slurry.

In some embodiments of the utility model, the outside of the steel mesh and the cross-rib is covered with concrete Layer.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is that a kind of soil nailing of embodiment of the utility model anchors the side structure schematic diagram of protective slope structure.

Fig. 2 is that a kind of soil nailing of embodiment of the utility model anchors the positive structure schematic of protective slope structure.

Fig. 3 is the structural schematic diagram that soil nailing is combined with cross-rib in a kind of embodiment of the utility model.

Fig. 4 is the structural schematic diagram of cross-rib in a kind of embodiment of the utility model.

Fig. 5 is the structural schematic diagram of the single L-type steel muscle in the cross-rib of Fig. 4 embodiment.

Specific embodiment

Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer With carrying out various modifications or alterations under the spirit without departing from the utility model.

It is next in the following with reference to the drawings and specific embodiments that the utility model is described in more detail.

The purpose of the utility model is to provide a kind of no reinforcing rib soil nailings to anchor slope protection way, can be applied to strong-weathered rock Body slope protection works.As shown in fig.1, showing a kind of knot of the soil nailing anchoring protective slope structure of embodiment of the utility model in Fig. 1 Structure schematic diagram.As shown, soil nailing anchoring protective slope structure includes soil nailing 11, steel mesh 12 and cross-rib 13.Wherein, soil nailing 11 It using reinforced anchor bolt, anchors into slopes 10 to be reinforced, also, the outer end of soil nailing 11 extend out to the surface of slopes 10.Steel mesh 12 are laid in the surface of slopes 10, and steel mesh 12 is by the grid-shaped welding forming of transverse and longitudinal reinforcing bar.Cross-rib 13 is in cross-type shape, The cross-rib 13 is fixed on the outer end of soil nailing 11 and sticks in the outside of steel mesh 12.Steel mesh 12 is drawn using cross-rib 13 Tightly on the surface of slopes 10.The protective slope structure of the utility model is by cross-rib 13 to the reinforcement welding of soil nailing 11 and steel mesh 12 Place carries out consolidation process, forms cross reinforcing bar soil nailing welding structure, instead of the stiffener of former elongated setting, can be formed similar The effect of arch without beam, can satisfy the force request of slope protection, has both saved manually, has also saved amount of reinforcement.

Further, as shown in Figure 1, being provided with cement grout hole 100 for anchoring the position of soil nailing 11 in slopes 10, soil The partial insertion anchored into slopes 10 in nail 11 is inserted into correspondingly in cement grout hole 100, by cement grout hole 100 In pour into cement grout, soil nailing 11 is anchored in slopes 10.

Cooperate shown in Fig. 3, the structure that soil nailing is combined with cross-rib in a kind of paraphrase the utility model embodiment in figure is shown It is intended to.Wherein, the outer end of soil nailing 11 bends about 135 ° of formation crotches 111, and the right-angled intersection of cross-rib 13 is entangled with the crotch 111 Position, and carry out spot welding and slightly fix, constitute cross reinforcing bar soil nailing welding structure.

In conjunction with shown in Fig. 1 and Fig. 2, a kind of Fig. 2 paraphrase soil nailing anchoring protective slope structure of embodiment of the utility model Positive structure schematic.Wherein, the quantity of soil nailing 11 is multiple, and multiple soil nailings 11 are scattered in multiple etc. with certain longitudinal pitch L The tandem (being arranged along the horizontal length direction of slopes, be equidistantly arranged in multiple tandems along the slope direction of slopes) of spacing, and The dislocation of soil nailing 11 arrangement in adjacent columns is separated by 11 alignment of soil nailing (every a row) in tandem.As shown in Fig. 2, adjacent Soil nailing 11 in tandem mutually staggers the length of half longitudinal pitch L/2.Steel mesh 12 is arranged in the entire distributed area of soil nailing 11 The cross-rib 13 in domain, 11 outer end of soil nailing is sticked in the outside of steel mesh 12.

Cooperate shown in Fig. 4 and Fig. 5, in figure in a kind of paraphrase the utility model embodiment cross-rib structure.Wherein, ten Word muscle 13 is formed by two welding of L-type steel muscle 131, and L-type steel muscle 131 uses (L/4+ " >=5d "+0.5d) mm long reinforcing bar, wherein L For the longitudinal pitch of soil nailing, d is the diameter of L-type steel muscle 131, and the size of d is calculated according to actual design to be determined.In L-type steel muscle 131 Section is in 90 ° of longer sections for being bent to form one section as L/4+ " >=5d " mm long, and another section of relatively short section for L/4mm long, wherein L is desirable 600mm.Two longer sections of bending place overlap joint in two L-type steel muscle 131 is welded together, and forms the cross-rib of cross-type shape, Wherein, overlap welding length is >=5d.The crotch 111 of 11 outer end of soil nailing is set in the overlap welding section of cross-rib 13 and can be used a little Weldering is slightly fixed.

In addition, as shown in Figure 1, being additionally provided with a layer concrete layer 14 on the surface of slopes 10, which can be used The outer end of plain pneumatically placed concrete, the steel mesh 12 on 10 surface of slopes, cross-rib 13 and soil nailing 11 is coated over the concrete layer 14 Inside.Also, gutter 15 is disposed in the top position of slopes 10 and bottom position.

The utility model soil nailing anchors protective slope structure in construction, and routinely construction process carries out soil nailing, cross-rib and steel Muscle net adds shield measure to slopes, wherein cross-rib is located on the outside of steel mesh, substitutes reinforcing rib, constitutes without reinforcing rib soil nailing anchor Gushan Mountain slopes system.

It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate The bright revealed content of book is not intended to limit the utility model implementable so that those skilled in the art understands and reads Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, In the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in disclosed in the utility model Technology contents obtain and can cover in the range of.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " in Between " and " one " etc. term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, Relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.

The above is only the preferred embodiment of the utility model, not does in any form to the utility model Limitation, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with Professional and technical personnel, in the range of not departing from technical solutions of the utility model, when in the technology using the disclosure above Hold the equivalent embodiment made a little change or be modified to equivalent variations, but all without departing from technical solutions of the utility model Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still It is within the scope of the technical solutions of the present invention.

Claims (10)

1. a kind of soil nailing anchors protective slope structure characterized by comprising

Soil nailing, the soil nailing anchor into the surface that in slopes and outer end extend out to the slopes；

Steel mesh is laid in the surface of the slopes；

Cross-rib is fixed on the outer end of the soil nailing and sticks in the outside of the steel mesh.

2. soil nailing as described in claim 1 anchors protective slope structure, it is characterised in that: the quantity of the soil nailing be it is multiple, it is multiple The soil nailing is scattered in multiple equidistant tandems with certain longitudinal pitch, and the soil nailing dislocation in adjacent columns is arranged, is separated by Soil nailing alignment in tandem.

3. soil nailing as claimed in claim 2 anchors protective slope structure, it is characterised in that: the cross-rib is by two L-type steel bar weldings It connects to be formed, longer section of the bending place overlap joint in two L-type steel muscle is welded together, and forms cross-type shape.

4. soil nailing as claimed in claim 3 anchors protective slope structure, it is characterised in that: two longer sections of overlap weldings in the cross-rib Length be more than or equal to five times of cross-ribs diameter.

5. soil nailing as described in claim 3 or 4 anchors protective slope structure, it is characterised in that: longer section of length in the L-type steel muscle The a quarter that degree is equal to the longitudinal pitch of the soil nailing adds overlap welding length.

6. soil nailing as claimed in claim 5 anchors protective slope structure, it is characterised in that: compared with the length of short section in the L-type steel muscle Equal to a quarter of the longitudinal pitch of the soil nailing.

7. soil nailing as claimed in claim 3 anchors protective slope structure, it is characterised in that: the outer end of the soil nailing is bent to form There is crotch, the crotch is set at the overlap welding of the cross-rib.

8. soil nailing as claimed in claim 7 anchors protective slope structure, it is characterised in that: the overlap joint of the crotch and the cross-rib Place is welded to each other.

9. soil nailing as described in claim 1 anchors protective slope structure, it is characterised in that: anchored into the soil nailing in the slopes Portion envelops have cement grout.

10. soil nailing as described in claim 1 anchors protective slope structure, it is characterised in that: the steel mesh and the cross-rib Outside is covered with concrete layer.