CN111119205A

CN111119205A - Gabion shoulder pad

Info

Publication number: CN111119205A
Application number: CN201911421907.4A
Authority: CN
Inventors: 张千里; 陈锋; 邓逆涛; 杨常所; 崔维孝; 郭建湖; 肖世伟; 曾长贤; 王鹏程; 闫鑫; 王立军; 李泰灃; 尧俊凯; 刘景宇; 杜翠
Original assignee: China Railway Siyuan Survey and Design Group Co Ltd; China Academy of Railway Sciences Corp Ltd CARS; Railway Engineering Research Institute of CARS; China Railway Design Corp; China Railway Economic and Planning Research Institute
Current assignee: China Railway Siyuan Survey and Design Group Co Ltd; China Academy of Railway Sciences Corp Ltd CARS; Railway Engineering Research Institute of CARS; China Railway Design Corp; China Railway Economic and Planning Research Institute
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-05-08

Abstract

The application provides a check guest shoulder pad, a serial communication port, be in including check guest net case and packing rubble stopping in the check guest net case, check guest net case include by the side net board enclose close the side net portion that forms and respectively with preceding otter board and the back otter board of the both ends joint of side net portion with preceding otter board and the side net portion with the position that the back otter board joined adopts the fastener fixed, the cross section structure of check guest net case is trapezoidal. The gabion shoulder pad has the advantages of convenience in material acquisition, excellent drainage effect, simplicity and convenience in construction, high construction efficiency, short construction period, economical cost and the like.

Description

Gabion shoulder pad

Technical Field

The invention relates to the field of civil engineering facilities, in particular to a gabion shoulder protector.

Background

The existing railway shoulder cable troughs are all placed on a roadbed shoulder, after the cable troughs are placed, shoulders are poured on the outer sides of the cable troughs in situ, rainwater is easily caused to infiltrate into the cable troughs or the foundations due to gaps existing between the cable troughs and the inner roadbed foundation bed surface layer and gaps existing between the cable troughs and the inner roadbed foundation bed surface layer, water drainage holes are easily formed in the shoulders on the outer sides of the cable troughs in the traditional cable troughs, the problem that the positions of the water drainage holes of the cable troughs and the drainage holes of the shoulders are difficult to correspond or difficult to construct is easily caused, in addition, when the drainage of the water drainage holes of the shoulders is not smooth, the phenomena that slurry leakage and mud leakage are generated in a roadbed body and the roadbed is frozen and swelled are generated when the temperature is low are easily caused, the service life of the roadbed body.

Therefore, a railway cable trough shoulder protector with good drainage effect and low cost and popularization and application prospect is urgently needed to solve or at least alleviate the problems.

Disclosure of Invention

In view of the above problems in the prior art, the present application provides a gabion shoulder pad for solving some or all of the above technical problems.

The application provides a check guest shoulder pad, be in including check guest's box-shaped screen and packing rubble stopping in the check guest's box-shaped screen, check guest's box-shaped screen include by the side otter board enclose close the side portion of netting that forms and respectively with preceding otter board and the back otter board of the both ends joint of side portion the side portion of netting with preceding otter board and side portion of netting with the position that back otter board joined adopts the fastener fixed, the cross section structure of check guest's box-shaped screen is trapezoidal.

In one embodiment, a partition board is arranged in the check net box along the length direction, and the partition board is formed by welding metal wires or weaving the metal wires.

In one embodiment, the wires of the separator have a diameter of not less than 3.0mm, and the wires of the side mesh plate, the front mesh plate, and the rear mesh plate have a diameter of not less than 2.2 mm.

In one embodiment, the length of the side net part is 2-4 m, and the distance between adjacent partition plates is 1-1.5 m.

In one embodiment, the side mesh panels, the front mesh panel and the rear mesh panel are woven from metal wires or welded from metal wires.

In one embodiment, the metal wires of the side mesh plate and/or the metal wires of the partition plate and/or the front mesh plate and/or the rear mesh plate are both coated steel wires or plastic-coated steel wires, the tensile strength of the steel wires is between 350 and 550MPa, and the elongation is not lower than 12%.

In one embodiment, the meshes of the side net plates are configured in a hexagonal shape, and the meshes of the partition plates are configured in a quadrangular shape.

In one embodiment, the size of the meshes of the side mesh plate and the meshes of the partition plate is 40-100 mm.

In one embodiment, the maximum particle size of the crushed stone filler does not exceed 1/5 for the height of the gabion mesh box, and the minimum particle size is not less than the size of the smallest mesh of the gabion mesh box.

In one embodiment, the system further comprises a top cover arranged on top of the check net box, wherein the top cover is made of precast concrete.

Compared with the prior art, the method has the following advantages:

1) the utility model provides a check guest shoulder pad comprises check guest box-shaped mesh and the rubble stopping of packing in check guest box-shaped mesh, consequently, check guest box-shaped mesh and its inside rubble stopping have the function of permeating water, need not additionally design the outlet again, have solved among the prior art when setting up the outlet problem of construction difficulty in the shoulder pad.

2) The gabion shoulder pad strength is different from masonry, concrete pouring and the like of brickwork, is not influenced by self strength of mortar and concrete, is filled at any time, meets the requirement for strength, and reduces complex procedures of cast-in-place concrete template manufacturing, formwork erecting, pouring, formwork stripping, health preserving and the like.

3) The gabion shoulder pad is of a flexible structure, is good in integrity and can deform along with the roadbed soil body in a self-adaptive mode.

4) The utility model provides a gabion shoulder pad sets up the precast concrete top cap through the top at the gabion box with a net, and constructor can freely walk on it, can not appear stopping at any time and slide and arouse the unstable phenomenon of walking.

The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the invention is achieved.

Drawings

The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:

fig. 1 shows a side view of a gabion shoulder pad according to the application.

Figure 2 shows a side view of another gabion shoulder pad according to the present application.

Fig. 3 shows a schematic view of the construction of one of the check-up boxes of fig. 1 or 2.

Fig. 4 shows a schematic view of another configuration of the check-up crate of fig. 1 or 2.

Fig. 5 shows a schematic view of the gabion shoulder pad of fig. 1 applied to a railway.

Fig. 6 shows a schematic structural view of the gabion shoulder pad of fig. 2 applied to a railway.

Fig. 7 shows another construction of the gabion shoulder pad of fig. 1 applied to a railway.

In the drawings, like parts are provided with like reference numerals. The drawings are not to scale.

Detailed Description

The invention will be further explained with reference to the drawings.

Fig. 1 and 2 show a gabion shoulder pad according to the present application, comprising a gabion mesh box 1 and a stone filler 2 filled in the gabion mesh box 1. In the embodiment shown in fig. 2, the gabion shoulder pad further comprises a roof 4 arranged above the gabion mesh box 1. The top cover 4 is prefabricated from concrete. Through setting up this top cap 4, not only make the gabion shoulder pad more pleasing to the eye to if constructor need walk above it, this top cap 4 can make constructor walk more comfortable convenience.

As shown in fig. 3 and 4, the check net box 1 includes a side net part formed by enclosing a side net plate 11, and a front net plate 12 and a rear net plate 13 respectively connected with both ends of the side net part, the positions where the side net part and the front net plate 12 are connected with the side net part and the rear net plate 13 are fixed by fasteners, the cross section of the check net box 1 is trapezoidal, and the slope of the inclined edge of the check net box 1 is not less than the slope of the roadbed slope.

The gabion shoulder pad further comprises partition plates 14 arranged in the gabion net box 1, the partition plates 14 are arranged in the length direction of the gabion net box 1, the length of the side net part is preferably 2-4 m, and when each gabion shoulder pad is provided with a plurality of partition plates 14, the distance between every two adjacent partition plates is preferably 1-1.5 m.

The partition plate 14 is formed by welding metal wires or weaving metal wires, and preferably, the partition plate 14 is formed by welding metal wires, so that the welded structure is more stable, and the side net part can be better supported by field assembly construction.

The side net panels 11, the front net panel 13 and the rear net panel 14 may be woven of metal wires or welded of metal wires. Preferably, the side net plates 11, the front net plate 13 and the rear net plate 14 are formed by weaving metal wires, and the weaving way saves more manufacturing time.

The diameter of the metal wires of the partition board is not less than 3.0mm, and the diameter of the metal wires of the side net board 11, the front net board 12 and the rear net board 13 is not less than 2.2 mm.

In an embodiment the wires of the side screen panels 11 and/or the wires of the partition walls 14 and/or the front screen panels 12 and/or the rear screen panels 13 are plated steel wires or plastic coated steel wires. That is, the side net panels 11, the partition walls 14, the front net panel 12 and the rear net panel 13 may be combined in any manner, for example: the side screen plate 11, the partition plate 14 and the front screen plate 12 are made of plated steel wires or plastic-coated steel wires, and the rear screen plate 13 is made of other materials. Or the side net plates 11, the partition plates 14, the front net plate 12 and the rear net plate 13 are all plated steel wires or plastic-coated steel wires. Preferably, the tensile strength of the steel wire is between 350 and 550MPa, and the elongation is not lower than 12%.

In the embodiment shown in fig. 3, the meshes of the side net panels 11 are configured in a hexagonal shape, and the meshes of the partition panels 14 are configured in a quadrangular shape. It is understood that, as shown in fig. 4, the meshes of the partition 14 may also be configured in the same hexagonal shape as the side mesh 11. Or, the meshes of the side net plate 11 and the meshes of the partition plate 14 are all configured in other shapes, the application is not limited, and the sizes of the meshes of the side net plate 11 and the meshes of the partition plate 14 are 40-100 mm. The maximum particle diameter of the crushed stones of the crushed stone filler 2 does not exceed 1/5 of the height of the gabion mesh box 1, and the minimum particle diameter is not smaller than the mesh size of the gabion mesh box 1.

The side net plates 11 are fixed by connectors (not shown) at the positions where they are joined with the front net plates 12, the rear net plates 13 and the partition plates 14. The connecting piece is a fastener or a binding steel wire, the diameter of the binding steel wire is not less than 2.2mm, and the preferred binding distance is 200-250 mm. The fasteners or tie wires may be made of the same material as the side webs 11.

Wherein, the side net part is formed by integral molding or formed by connecting independent side net plates 11. That is, the side net plate 11 may be integrated, or may be formed by connecting separate single-piece-shaped plates through a connecting member.

It can be understood that the metal wires of the side mesh plate 11 and/or the metal wires of the partition plate 4 and/or the front mesh plate 2 and/or the rear mesh plate 3 may also be low-carbon steel wires, and the technical requirements, the coating quality, the mechanical properties, the inspection method and the like of the low-carbon steel wire and the low-carbon steel wire material must meet the relevant regulations in the standards of YB/T4221-.

Fig. 5 and 6 show a schematic structural view of a gabion shoulder protector according to the present application applied to a railway shoulder. Referring to fig. 5 and 6, the check net cage 1 is filled with crushed stone 2. After the filling of the crushed rock material 2, the crushed rock material 2 and the gabion mesh box 1 are arranged as a gabion shoulder 3 on the side of the cable trough 40 remote from the line. The check net box 1 can permeate water after being filled with the crushed stone 2, and the bottom and the side surface of the cable trough 40 are provided with water drainage holes 50 communicated with the check shoulder protectors 3, so that water in the cable trough 40 can be discharged through the water drainage holes 50 and the check shoulder protectors 3.

Wherein, the weep hole 50 includes the vertical weep hole 502 and the horizontal weep hole 501 that set up in the bottom of cable duct 40 for water in the cable duct 40 can drain into the rubble layer 60 that permeates water through vertical weep hole 502, flows into the gabion shoulder pad 30 through horizontal weep hole 501, and wherein, because the railway roadbed has a 4% slope, consequently, the water that flows into the rubble layer 60 that permeates water is finally discharged through the gabion shoulder pad 30 again.

Preferably, the diameter of the weep holes 50 is preferably 50mm, and the spacing between adjacent weep holes 50 (along the longitudinal direction of the line) is 0.5-1.0 m.

Preferably, as shown in fig. 5 and 6, the permeable gravel layer 60 is provided with a cement mortar layer 601 at the top near the right side of the cable trough 40, and the thickness of the cement mortar layer 601 is preferably 10 cm. The purpose of the cement mortar layer 601 is to prevent rainwater and the like from entering the water-permeable gravel layer 60. Wherein, the particle size of the gravel of the permeable gravel layer 60 is preferably 10 to 40 mm.

The crushed stone 2 comprises block stones and/or crushed stones and/or pebble materials, which can be combined in any manner, but preferably the stone filled in the check net box 31 is a single block stone, a single crushed stone or a single pebble material. Wherein the crushed stone 2 is formed by crushing and screening kaishan rock and natural pebbles. Preferably, the crushed stone and/or egg material has a particle size of 40-120 mm.

The strength grade of the crushed stone 2 is not less than MU30, and the crushed stone is weather-resistant and non-hydrolytic. The stone material does not contain humus and chemical and electrochemical impurities which are corrosive to the steel wires on the net surface. The technical parameter requirements of stone firmness, mud content and the like need to meet the I type technical requirements in the building pebble and gravel standard.

In the embodiment shown in fig. 5 and 6, the railroad shoulder further comprises a composite geomembrane waterproofing reverse filter layer 70 and a nonwoven geotextile reverse filter layer 100, the composite geomembrane waterproofing reverse filter layer 70 is disposed between the roadbed base layer 80 and the permeable gravel layer 60 and between the roadbed base layer 80 and the gabion shoulder guard 30, and extends from the outer side of the gabion shoulder guard 30 inward to the inner side of the cable groove 40 by about 50 cm. The composite geomembrane waterproof reverse filter layer 70 serves to prevent water from flowing from the permeable crushed stone layer 60 or the gabion shoulder protector 30 into the roadbed bottom layer 80 and to prevent fine soil from flowing back from the roadbed bottom layer 80 into the permeable crushed stone layer 60 or the gabion shoulder protector 30.

The non-woven geotextile reverse filter layer 100 is provided between the permeable gravel layer 60 and the roadbed surface layer 90 for preventing fine soil from flowing backward into the permeable gravel layer 60 from the roadbed surface layer 90. Wherein, the lap length between the composite geomembrane waterproof reverse filter layer 70 and the non-woven geotextile reverse filter layer 100 is not less than 5 cm.

Wherein, the composite geomembrane waterproof reverse filter layer 70 is preferably a two-cloth one-film composite geomembrane waterproof reverse filter layer 70, and the weight of the two-cloth one-film composite geomembrane waterproof reverse filter layer 70 is more than 600g/m²Permeability coefficient of not more than 10^-11The rupture strength is more than 20kN/m, the CBR bursting strength is more than 2.5kN, and the thickness of the high-density polyethylene geomembrane film between the upper geotextile and the lower geotextile is not less than 0.3 mm. The material of the non-woven geotextile reverse filter layer 100 is the same as the material of the upper and lower cloth layers of the two-cloth one-film type composite geomembrane waterproof reverse filter layer 70.

Fig. 7 shows a schematic structural diagram of the gabion shoulder pad 3 of the present application applied to some heavy haul railways or single track railways, the gabion shoulder pad 3 is disposed on the side close to the line, and a non-woven fabric reverse filter layer is disposed between the permeable crushed stone layer 60 and the roadbed surface layer 90 for preventing fine soil in the roadbed surface layer 90 from flowing into the gabion shoulder pad 30. A composite geomembrane waterproof reversed filter layer 70 is arranged between the gabion shoulder protector 30 and the roadbed foundation layer 80 and between the permeable rubble layer 60 and the roadbed foundation layer 80, and is used for preventing water from flowing into the roadbed foundation layer 80 from the permeable rubble layer 60 or the gabion shoulder protector 30 and preventing fine soil from flowing back into the permeable rubble layer 60 or the gabion shoulder protector 30 from the roadbed foundation layer 80.

Wherein, during the construction operation, the side of the roadbed surface layer 90 close to the gabion shoulder guard 30 is generally cut into a slope shape, so that when the gabion shoulder guard 3 is placed on the left side of the roadbed surface layer 90, an inverted triangular area gap is formed between the gabion shoulder guard and the roadbed surface layer, the lower part of the gap is filled with permeable gravel 200, and a cement mortar layer 300 for preventing water from entering is arranged above the permeable gravel 200.

In summary, the present application has the following advantages:

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims

1. The utility model provides a gabion shoulder pad which characterized in that, includes the gabion box with fill rubble stopping in the gabion box, the gabion box include by the side otter board enclose close the side portion of forming and respectively with preceding otter board and the back otter board of the both ends joint of side portion the side portion with preceding otter board and the side portion with the position that the back otter board jointed adopts the fastener fixed, the cross section structure of gabion box is trapezoidal.

2. The gabion shoulder pad of claim 1, wherein a partition is arranged in the gabion mesh box along the length direction, and the partition is formed by welding metal wires or weaving the metal wires.

3. The gabion shoulder pad of claim 2, wherein the diameter of the wire of the partition plate is not less than 3.0mm, and the diameters of the wires of the side mesh plate, the front mesh plate and the rear mesh plate are not less than 2.2 mm.

4. The gabion shoulder pad of claim 3, wherein the length of the side net part is 2-4 m, and the distance between adjacent partition plates is 1-1.5 m.

5. The gabion shoulder pad of claim 1, wherein the side mesh panels, the front mesh panel and the rear mesh panel are woven from metal wires or welded from metal wires.

6. The gabion shoulder pad of claim 2, wherein the metal wires of the side mesh plate and/or the metal wires of the partition plate and/or the front mesh plate and/or the rear mesh plate are both plated steel wires or plastic-coated steel wires, the tensile strength of the steel wires is between 350 and 550MPa, and the elongation is not lower than 12%.

7. The gabion shoulder pad of claim 2, wherein the mesh configuration of the side mesh panel is hexagonal and the mesh configuration of the partition panel is quadrilateral.

8. The gabion shoulder pad of claim 7, wherein the sizes of the meshes of the side net plates and the meshes of the partition plate are 40-100 mm.

9. The gabion shoulder pad of claim 1, wherein the maximum particle size of the crushed stone filler does not exceed 1/5 for the height of the gabion mesh box, and the minimum particle size is not less than the size of the smallest mesh of the gabion mesh box.

10. The gabion shoulder of claim 1, further comprising a top cover provided on top of the gabion mesh box, the top cover being made of precast concrete.