CN208309301U - High-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction - Google Patents
High-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction Download PDFInfo
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- CN208309301U CN208309301U CN201820882982.5U CN201820882982U CN208309301U CN 208309301 U CN208309301 U CN 208309301U CN 201820882982 U CN201820882982 U CN 201820882982U CN 208309301 U CN208309301 U CN 208309301U
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- preformed hole
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Abstract
A kind of high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction avoids it from being destroyed in the construction of contact net upright post basic with effective protection barricade reinforcing body.Preformed hole guard ring is buried in contact net upright post basic position in Reinforced subgrade filling body, road bed is exposed in guard ring top surface of boxing out, and bottom surface extends to the elevation of contact net upright post basic.Preformed hole guard ring is made of vertically stacked guard ring unit, and the plane projection of each guard ring unit is the rectangle frame with two lateral edge strips and two longitudinal edge strips, and two lateral edge strips and two longitudinal edge items form the rectangle mesoporous for contact net upright post basic concrete to be perfused.TGXG overlays between the end face of adjacent two guard rings unit, and by all or locally truncation rectangle hollow interior divides.Vertical jack is arranged in longitudinal gap on lateral edge strip, and the bolt reinforcing bar of each vertical jack insertion passes through each coil unit and TGXG.
Description
Technical field
The utility model relates to railway reinforced earth bulkhead roadbed, in particular to a kind of high-speed railway reinforced earth bulkhead roadbed connects
Basic preformed hole of touching net constructs.
Background technique
Since the 1970s, reinforced earth technology introduced China, it has been used widely in many engineering fields.Especially
It is Geogrid Reinforced Earth Retaining Wall, it is economical based on it, stablize, conveniently, adaptability is good, the features such as beautiful and good engineering are special
Property is used widely in railway, highway, city fields such as airport of having stable political situation.Geogrid Reinforced Earth Retaining Wall is using TGXG as muscle
Material provides withdrawal resistance by wedge action and interlocking of its distinctive mesh to soil, makes stable structure.
The good working state of reinforcing body is the premise of the safety and stablization of Geogrid Reinforced Earth Retaining Wall structure.Iron at present
In the construction of road, facilities network column and its foundation construction often lag behind the construction of road structure, when contact net upright post basic is constructed
The barricade reinforcing body built is damaged, the stability of reinforced earth bulkhead is influenced.
The reinforcing body of reinforced earth bulkhead roadbed is destroyed when to overcome the problems, such as the construction of contact net upright post basic, the applicant
A kind of high-speed railway reinforced earth bulkhead contact net basic preformed hole is devised, it is embedded by synchronizing in the work progress of barricade
Guard ring damages barricade reinforcing body when preventing later period contact net upright post basic churning driven from constructing.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of high-speed railway reinforced earth bulkhead roadbed contact net bases
Plinth preformed hole construction avoids it from being destroyed in the construction of contact net upright post basic with effective protection barricade reinforcing body.
It is as follows that the utility model solves the technical solution that above-mentioned technical problem is taken:
The utility model high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction, reinforced earth bulkhead roadbed packet
Two lateral retaining wall panels and the sandy gravel loaded filter after its plate face are included, are spaced between the sandy gravel loaded filter of two sides to be vertical in it
It is laid with the Reinforced subgrade filling body of TGXG, it is characterized in that: in contact net upright post basic position in the Reinforced subgrade filling body
Embedded preformed hole guard ring is set, road bed is exposed in guard ring top surface of boxing out, and bottom surface extends to the elevation of contact net upright post basic；It is described pre-
Guard ring of boxing out is made of vertically stacked guard ring unit, and the plane projection of each guard ring unit is longitudinal with two lateral edge strips and two
The rectangle frame of edge strip, two lateral edge strips and two longitudinal edge items are formed for being perfused in the rectangle of contact net upright post basic concrete
Hole；The TGXG overlays between the end face of adjacent two guard rings unit, and all or is locally truncated in rectangle mesoporous
Part；Vertical jack is arranged in longitudinal gap on the transverse direction edge strip, and the bolt reinforcing bar of each vertical jack insertion passes through each coil unit
And TGXG.
In the above-mentioned technical solutions, the height of the guard ring unit is equal to the vertical spacing of adjacent two layers TGXG, or
Person is equal to the 1/2 of the vertical spacing of adjacent two layers TGXG.
The utility model has the beneficial effects that later period contact net upright post basic breakage in installation reinforced earth bulkhead can be avoided effectively
Interior muscle material, it is ensured that the stability of barricade is not influenced by construction in later period；Guard ring unit is prefabricated component, easy for construction；Pass through tune
Whole guard ring size can be adapted for different facilities network upright post basics, have preferable practicability and versatility.
Detailed description of the invention
This specification includes following four width attached drawing:
Fig. 1 is guard ring unit in the utility model high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction
Cross-section diagram；
Fig. 2 is the cross-sectional view of the line A-A along Fig. 1；
Fig. 3 is in the utility model the utility model high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction
The generation type schematic diagram of contact net basic perfusion cavity；
Fig. 4 is the utility model the utility model high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction
Cross-section diagram；
Fig. 5 is the laying of TGXG in the utility model high-speed railway reinforced earth bulkhead contact net basic preformed hole construction
Illustrate with truncation mode.
Label and corresponding title in figure: barricade panel 1, sandy gravel loaded filter 2, upper layer medium-sand seam 3, composite earthwork
Film 4, TGXG 6, gear copestone 7, road shoulder 8, cable trough 9, guard ring unit 11, rectangle mesoporous 12, erects lower layer's medium-sand seam 5
To jack 13, bolt reinforcing bar 14, nylon rope 15, contact net upright post basic 20, surface layer of subgrade bed 21, road bed 22.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to figs. 1 to Fig. 5, the utility model high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction adds
Muscle soil barricade roadbed includes two lateral retaining wall panels 1 and the sandy gravel loaded filter 2 after its plate face, two sides sandy gravel loaded filter 2
Between Reinforced subgrade filling body of TGXG 6 is laid with for longitudinal gap perpendicular in it.In contact in the Reinforced subgrade filling body
Preformed hole guard ring is buried in 20 position of net upright post basic, and road bed 22 is exposed in guard ring top surface of boxing out, and bottom surface extends to contact net column
The elevation on basis 20.The preformed hole guard ring is made of vertically stacked guard ring unit 11, and the plane of each guard ring unit 11 is thrown
Shadow is the rectangle frame with two lateral edge strips and two longitudinal edge strips, and two lateral edge strips and two longitudinal edge items are formed for contact to be perfused
The rectangle mesoporous 12 of 20 concrete of net upright post basic.The TGXG 6 overlays between the end face of adjacent two guard rings unit 11,
And 12 inner part of rectangle mesoporous all or is locally truncated.Vertical jack 13 is arranged in longitudinal gap on the transverse direction edge strip, respectively
The bolt reinforcing bar 14 that vertical jack 13 is inserted into passes through each coil unit 11 and TGXG 6, and each guard ring unit is made to form stable group
It is fit.
Referring to Fig. 3 and Fig. 4,22 or less road bed is arranged in 20 position of contact net upright post basic by multiple guard ring units 11
The preformed hole guard ring of composition, each guard ring unit 11 are stacked layer by layer, and preformed hole guard ring is had passed through each TGXG 6 and is overlayed in phase
Between the end face of adjacent two guard ring units 11, and stable assembly is formed by bolt reinforcing bar 14.Geotechnique in rectangle mesoporous 12
Grid 6 forms the cavity for 20 concrete of contact net upright post basic to be perfused after all or being locally truncated, construction in later period connects
When net-fault upright post basic 20, TGXG 6 will not be destroyed, it is ensured that the stability of reinforced earth bulkhead is not influenced by construction in later period.
Referring to Fig. 3 and Fig. 4, the height of the guard ring unit 11 is equal to the vertical spacing of adjacent two layers TGXG 6.For
Lifting is facilitated to put construction, the height of the guard ring unit 11 is equal to the 1/2 of the vertical spacing of adjacent two layers TGXG 6.
Referring to Fig. 5, the TGXG 6 is longitudinal at rectangle mesoporous 12 to be laid with two width, and is connected by the binding of nylon rope 15
It is connected in one.In the rectangle mesoporous 12, TGXG 6 is along two longitudinal edge strip inner walls and far from 2 side of sandy gravel loaded filter
The inner wall of lateral edge strip is truncated, and a cross rib is reserved at the lateral edge strip close to 2 side of sandy gravel loaded filter in rectangle mesoporous 12
It is interior, rest part excision.When construction in later period contact net upright post basic 20, a reserved cross rib and casting concrete consolidation are one
Body, to enhance the withdrawal resistance of TGXG 6.
Referring to Fig. 4, the Reinforced subgrade filling body more than top surface is successively laid with waterproof bed course and surface layer of subgrade bed 21, collision mat
Layer is made of upper layer medium-sand seam 3, composite geo-membrane 4 and lower layer's medium-sand seam 5.The composite geo-membrane 4 is overlayed in adjacent two
Between the end face of guard ring unit 11, and it is removed 12 inner part of rectangle mesoporous.
Referring to Fig. 4, above-mentioned high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction carries out as follows
Construction:
1. placement in layers Reinforced subgrade filling body is to 11 elevation of bottom guard ring unit, excavation groove is simultaneously levelling, and lifting is put
Bottom guard ring unit 11 is set, one layer of TGXG 6 thereon is laid with, its 12 inner part of rectangle mesoporous is truncated, to each vertical jack
Bolt reinforcing bar 14 is inserted into 13；
2. filling one layer of filler, 6 elevation of supreme one layer of TGXG, excavation groove is simultaneously levelling, the one of this layer is placed in lifting
Kind or two guard ring units 11, be laid with this layer of TGXG 6, its 12 inner part of rectangle mesoporous be truncated, to having installed guard ring list
Bolt reinforcing bar 14 is inserted into each vertical jack 13 of member 11；
3. repeating each guard ring unit 11 of the step into Reinforced subgrade filling body to be installed, and install high to waterproof bed course
Journey；
4. being laid with waterproof bed course, overlays its composite geo-membrane 4 between the end face of two guard ring units 11, cut off its square
12 inner part of shape mesoporous；
5. guard ring unit 11 is installed until road bed 22 is exposed in its most last top surface, to having installed guard ring unit 11
It is whole to form preformed hole guard ring for insertion bolt reinforcing bar 14 in each vertical jack 13；
6. filling surface layer of subgrade bed 21.
When construction in later period contact net upright post basic 20, it is directly placed into steel reinforcement cage casting concrete.
The utility model high-speed railway reinforced earth bulkhead roadbed contact net basic described above that only explains through diagrams is reserved
Some principles of hole construction and its construction method, be not intended to for the utility model to be confined to shown in and the specific structure and
In the scope of application, therefore all corresponding modifications that may be utilized and equivalent, it is applied to belong to the utility model
The scope of the patents.
Claims (5)
1. high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole constructs, reinforced earth bulkhead roadbed includes two lateral retaining wall faces
Plate (1) and the sandy gravel loaded filter (2) after its plate face are longitudinal gap perpendicular in it between two sides sandy gravel loaded filter (2)
It is laid with the Reinforced subgrade filling body of TGXG (6), it is characterized in that: in contact net upright post basic in the Reinforced subgrade filling body
(20) preformed hole guard ring is buried in position, and road bed (22) are exposed in guard ring top surface of boxing out, and bottom surface extends to contact net upright post basic
(20) elevation；The preformed hole guard ring is made of vertically stacked guard ring unit (11), and the plane of each guard ring unit (11) is thrown
Shadow is the rectangle frame with two lateral edge strips and two longitudinal edge strips, and two lateral edge strips and two longitudinal edge items are formed for contact to be perfused
The rectangle mesoporous (12) of net upright post basic (20) concrete；The TGXG (6) overlays in adjacent two guard rings unit (11)
Between end face, and rectangle mesoporous (12) inner part all or is locally truncated；Longitudinal gap setting is perpendicular on the transverse direction edge strip
To jack (13), the bolt reinforcing bar (14) of each vertical jack (13) insertion passes through each coil unit (11) and TGXG (6), makes each
Guard ring unit (11) forms stable assembly.
2. high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction as described in claim 1, it is characterized in that: institute
The height for stating guard ring unit (11) is equal to the vertical spacing of adjacent two layers TGXG (6), or is equal to adjacent two layers geotechnique lattice
The 1/2 of the vertical spacing of grid (6).
3. high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction as described in claim 1, it is characterized in that: institute
TGXG (6) two width of longitudinal laying at rectangle mesoporous (12) are stated, and are connected as one by nylon rope (15) binding.
4. high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction as described in claim 1, it is characterized in that: institute
It states in rectangle mesoporous (12), TGXG (6) is along two longitudinal edge strip inner walls and far from the widthwise edge of sandy gravel loaded filter (2) side
The inner wall of item is truncated, and a cross rib is reserved at the lateral edge strip close to sandy gravel loaded filter (2) side in rectangle mesoporous (12),
Rest part excision.
5. high-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction as described in claim 1, it is characterized in that: institute
It states Reinforced subgrade filling body top surface or more and is successively laid with waterproof bed course and surface layer of subgrade bed (21), waterproof bed course is by upper layer medium-sand seam
(3), composite geo-membrane (4) and lower layer's medium-sand seam (5) are constituted；The composite geo-membrane (4) overlays in adjacent two guard rings unit
(11) between end face, and it is removed rectangle mesoporous (12) inner part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882982.5U CN208309301U (en) | 2018-06-07 | 2018-06-07 | High-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882982.5U CN208309301U (en) | 2018-06-07 | 2018-06-07 | High-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction |
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| CN208309301U true CN208309301U (en) | 2019-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914718A (en) * | 2018-06-07 | 2018-11-30 | 中铁二院工程集团有限责任公司 | High-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction and its construction method |
-
2018
- 2018-06-07 CN CN201820882982.5U patent/CN208309301U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914718A (en) * | 2018-06-07 | 2018-11-30 | 中铁二院工程集团有限责任公司 | High-speed railway reinforced earth bulkhead roadbed contact net basic preformed hole construction and its construction method |
| CN108914718B (en) * | 2018-06-07 | 2023-11-17 | 中铁二院工程集团有限责任公司 | Construction method for foundation preformed hole structure of high-speed railway reinforced earth retaining wall subgrade contact net |
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