CN208072450U - A kind of light-duty combination retaining structure of Steep Slope Embankment - Google Patents
A kind of light-duty combination retaining structure of Steep Slope Embankment Download PDFInfo
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- CN208072450U CN208072450U CN201721696049.0U CN201721696049U CN208072450U CN 208072450 U CN208072450 U CN 208072450U CN 201721696049 U CN201721696049 U CN 201721696049U CN 208072450 U CN208072450 U CN 208072450U
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- China
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- supporting table
- support post
- embankment
- steep slope
- slip casting
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- Piles And Underground Anchors (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
A kind of light-duty combination retaining structure of Steep Slope Embankment, effectively to solve the technical barriers such as constructional difficulties existing for the Steep Slope Embankment closing slope engineering of high altitudes and cold area, big, the risk height of investment.It includes：Lower bolt slip casting basis and upper bolt slip casting basis, interval is arranged in rows on the steep slope foundation of embankment descending side and uphill side；Lower supporting table and upper supporting table, are separately positioned on lower bolt slip casting basis, upper bolt slip casting basis top, and lower supporting table center of top reserves circular groove mouth；Support post, lower end are that circular arc convex structure is placed in the arc groove mouth at the top of lower supporting table；Breast boards is overlapped between adjacent two support post；Support construction, both ends are connect on the outside of support post top and upper supporting table respectively；Embankment engineering, placement in layers is on the abrupt slope on the inside of support post and breast boards.
Description
Technical field
The utility model is related to geotechnical engineering, more particularly to the high altitudes and cold area road of heavy retaining structure constructional difficulties
Dike closing slope is reinforced.
Background technology
In the labour capacity degradation of high altitudes and cold area people, heavy physical labour is very big to the actual bodily harm of people,
Therefore traditional roadbed heavy type retaining structure will be difficult to carry out under these conditions, and it is with high costs.For example, common abrupt slope road
Dike supporting and retaining system reinforces pile driving construction, and high altitudes and cold caisson excavates difficulty, and harm is big, and drilled pile is carried and constructed in abrupt slope area equipment
It is very difficult.Therefore, how to solve high altitudes and cold area Steep Slope Embankment closing slope engineering becomes the technical barrier for being badly in need of solving,
And should have the characteristics that mechanization facility constructs, is economical, safe and environment-friendly.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of light-duty combination retaining structures of Steep Slope Embankment, with effective
Solve the technical barriers such as constructional difficulties, big, the risk height of investment existing for the Steep Slope Embankment closing slope engineering of high altitudes and cold area.
Technical solution is as follows used by the utility model solves above-mentioned technical problem：
The light-duty combination retaining structure of a kind of Steep Slope Embankment of the utility model, it is characterized in that it includes：Lower bolt slip casting base
Plinth and upper bolt slip casting basis, interval is arranged in rows on the steep slope foundation of embankment descending side and uphill side；Lower supporting table and upper
Supporting table is separately positioned on lower bolt slip casting basis, upper bolt slip casting basis top, and lower supporting table center of top is reserved arc-shaped
Groove port；Support post, lower end are that circular arc convex structure is placed in the arc groove mouth at the top of lower supporting table；Breast boards is taken
It is connected between adjacent two support post；Support construction, both ends are connect on the outside of support post top and upper supporting table respectively；Embankment
Engineering, placement in layers is on the abrupt slope on the inside of support post and breast boards.
The utility model has the beneficial effects that the bolt grouting basis in composite structure, supporting table are that small-sized machine is applied
Work, support post, breast boards are light prefabricated part, and spacer bar, anchor cable structure are light-duty primary structural component, therefore easy construction, difficulty
Low, manual operation content and intensity index substantially reduce, and construction efficiency significantly improves；Bolt grouting basis substitutes traditional supporting and retaining system knot
Reinforcing pile foundation in structure, avoid hand excavation's stake well difficulty be big, risk is high or bored pile machinery is carried and constructional difficulties, at
This high problem；Top structure of the supporting table as bolt grouting basis increases the globality on bolt grouting basis, and conduct
The stress basis of upper support column；Supporting table is hinged using arcuate relief structure with upper support column so that upper support is vertical
Bending moment suffered by column is not transferred to supporting table, can substantially improve supporting table and the stress of support post, saves construction investment；It is logical
It crosses and spacer bar is set between support post and upper supporting table, it is ensured that support post is before embankment and fills initial stage
Stabilization, make it that toppling on the inside of slopes not occur, between support post and upper supporting table be arranged anchor cable structure can be
Support post provides inside advantageous pulling force, it is ensured that the stabilization of support post and the stress condition for improving support post, to save
About construction investment；Upper support platform provides advantageous draw by the support post that act as of top bolt grouting basis and anchor cable structure
Power.
The structure efficiently solve constructional difficulties existing for the Steep Slope Embankment closing slope engineering of high altitudes and cold area, investment it is big,
The technical barriers such as risk height have popularizing application prospect, and meet the requirement of environmental protection.
Description of the drawings
This specification includes following four width attached drawing：
Fig. 1 is a kind of sectional schematic diagram of the light-duty combination retaining structure of Steep Slope Embankment of the utility model；
Fig. 2 is a kind of front schematic view of the light-duty combination retaining structure of Steep Slope Embankment of the utility model；
Fig. 3 is the structure snd size figure of scheme I in embodiment；
Fig. 4 is the structure snd size figure of scheme III in embodiment.
Component name and corresponding label are shown in figure：Lower bolt slip casting basis 11, upper bolt slip casting basis 12, lower branch
Support platform 21, upper supporting table 22, support post 3, breast boards 4, spacer bar 5, anchor cable structure 6, embankment engineering 7.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples：
Referring to Fig.1, a kind of light-duty combination retaining structure of Steep Slope Embankment of Fig. 2, the utility model includes：Lower bolt slip casting base
Plinth 11 and upper bolt slip casting basis 12, interval are arranged in rows on the steep slope foundation of embankment descending side and upward slope；Lower supporting table 21
With upper supporting table 22, it is separately positioned on lower bolt slip casting basis 11,12 top of upper bolt slip casting basis, in 21 top of lower supporting table
Reserve circular groove mouth in centre；Support post 3, lower end are the arc groove that circular arc convex structure is placed on 21 top of lower supporting table
In mouthful；Breast boards 4 is overlapped between adjacent two support post 3；Support construction, both ends respectively with 3 top of support post and upper branch
Support 22 outside connection of platform；Embankment engineering 7, placement in layers is on the abrupt slope of 4 inside of support post 3 and breast boards.
Referring to Fig.1, the support construction includes spacer bar 5 and anchor cable structure 6, and 5 both ends of spacer bar are separately fixed at
22 outside of 3 top of support post and upper supporting table, 6 both ends of anchor cable structure connect with 3 top of support post and upper supporting table 22 respectively
It connects.
Referring to Figures 1 and 2, the lower bolt slip casting basis 11 in the utility model, upper bolt slip casting basis 12, lower supporting table
21 and upper supporting table 22 be all made of small-sized machine construction, support post 3, breast boards 4 be light prefabricated part, spacer bar 5, anchor cable
Structure 6 is light-duty primary structural component, therefore easy construction, difficulty are low, and manual operation content and intensity index substantially reduce, and construction efficiency is bright
It is aobvious to improve.Following bolt grouting basis 11, upper bolt slip casting basis 12 substitute the reinforcing pile foundation in traditional retaining structure, avoid
Hand excavation's stake well difficulty is big, risk is high or bored pile machinery is carried and the problems such as constructional difficulties, of high cost.Following supporting table
21, top structure of the upper supporting table 22 as lower bolt slip casting basis 11, upper bolt slip casting basis 12, increases bolt grouting base
The globality of plinth, and as the stress of upper support column 3 basis.Lower supporting table 21 is recessed using arc with upper support column 3
Male structure is hinged so that bending moment suffered by upper support column 3 is not transferred to lower supporting table 21, can substantially improve lower supporting table
21 and support post 3 stress, save construction investment.The effect of breast boards 4 is the embankment soil between blocking support post 3.
Pass through between support post 3 and upper supporting table 22 be arranged spacer bar 5, it is ensured that support post 3 before embankment and
The stabilization for filling initial stage makes it that toppling on the inside of slopes not occur.By between support post 3 and upper support platform 22
Anchor cable structure 5 is set, can be that support post 3 provides inside advantageous pulling force, it is ensured that the stabilization of support post 3 simultaneously improves support
The stress condition of column 3, to save construction investment.Upper supporting table 22 is support post 3 by top bolt grouting basis 12
Advantageous pulling force is provided.
Referring to Fig.1, the bolt grouting basis 1 forms foundation using anchor pole high-pressure slip-casting, and depth is arranged not in anchor pole
Less than 8m, plane generally use square or rectangular arrangement.The lower supporting table 21 and upper supporting table 22 use reinforced concrete
Soil pours, and main reinforcement is fixedly connected with lower bolt slip casting basis 11, the basic 12 exposure anchor poles of upper bolt slip casting.The lower branch
The depth for supportting 21 top curve groove port of platform is not less than 0.5m, 22 outside embedded bar of the upper end of support post 3 and upper supporting table
Draw ring, for fixing spacer bar 5 and anchor cable structure 6.The support post 3 is prefabricated using armored concrete, lower end circular arc
Convex structure matches with 21 top curve groove port of lower supporting table.The breast boards 4 is prefabricated using armored concrete, both ends
It is not less than 0.2m with support post (3) lap width.The spacer bar 5 is not less than the reinforcing bar or steel pipe of 32mm using diameter,
Interim stabilization is served to support post 3.
A kind of light-duty combination retaining structure of Steep Slope Embankment of the utility model is constructed as follows：
1. on steep slope foundation using drilling machine construct respectively upward slope and descending side Bolt Groups and high-pressure slip-casting formed cast anchor
Bar slip casting basis 11 and upper bolt slip casting basis 12；
2. lower supporting table 21, the upper supporting table 22 on lower bolt slip casting basis 11 of constructing, 12 top of upper bolt slip casting basis, under
21 center of top of supporting table reserves circular groove mouth, lower supporting table 21, upper supporting table 22 main reinforcement noted respectively with lower bolt
Starch basis 11, the exposure anchor pole on upper bolt slip casting basis 12 is fixedly connected；
3. installing support post 3, lower end circular arc convex structure enters in 21 top curve groove port of lower supporting table；
4. support construction is fixedly installed between support post 3 and upper supporting table 22, to stablize support post 3；
5. the breast boards 4 between adjacent supports column 3 is arranged in staged and layered；
6. staged and layered fills the embankment engineering 7 of 4 inside of breast boards, until near spacer bar 5；
7. removing spacer bar 5, railway embankment engineering 7 is until its top surface.
Embodiment：
By taking certain high altitudes and cold steep slope subgrade engineering as an example.Traditional road is used with reference to Fig. 2, steep slope subgrade closing slope scheme I
Shoulder pile plate wall measure, is constructed using hand excavation and formwork erection mode.The combined type of the utility model is used with reference to Fig. 4, scheme II
Closing slope ruggedized construction, is constructed using power choring.Due to the earth-retaining harden structure and earth and rock works employed in work progress
It is not much different, in this progress 500m length retaining engineering investment ratio, it is 6m that spacing, which is arranged, in retaining engineering.
1, scheme I expense budgets are as follows：
1. lower part artificial digging pile stake well daily drilling depth about 1m, about 600 yuan/day of labour cost, oxygen configuration take about 200 yuan/
It, about 30 yuan of light shot explosive expense digs about 20 yuan/m of stone freight charges3, stake sectional dimension is 1.75m*2.5m.
Expense is about：(600+200+30+20*1.75*2.5) * 13=11927.5 members
2. reinforcing pile reinforcing bar binds about 600 yuan/work day of labour cost, 3 work day of used time.
Expense is about：600*3=1800 members
3. armored concrete pours and formwork erection takes about 4 work days, about 600 yuan/work day of labour cost.
Expense is about：600*4=2400 members
4. about 1500 yuan/m3 of Reinforced Concrete Materials unit price
Expense is about：1500* (13+5.5) * 1.75*2.5=121406.25 members
Scheme I total costs are about：Ten thousand yuan of (137533.75*500/6)/10000=1146.11
2 scheme II expense budgets are as follows：
1. bolt grouting foundation construction expense：It is constructed using small-sized machine, daily bolt grouting basis at construction two, manually
Take 600 yuan/day, machinery leases 200 yuan/day of expense.
Expense is about：600+200=800 members
2. supporting table foundation construction expense：Supporting table at construction two daily, 600 yuan/day of labour cost, about 600 yuan of expense.
3. precast support column is constructed using small-sized machine, can about construct nearly 100 (500m is about 84) daily,
About 1000 yuan of expense.
4. spacer bar uses artificial construction, can construct daily 20,500m about needs 5 days, labour cost about 5*600=
3000 yuan
5. anchor cable structure uses artificial construction, can construct daily 20,500m about needs 5 days, labour cost about 5*600=
3000 yuan
6. engineering material takes：
Upper and lower bolt grouting basis expense is about：2000* (10+8.5)=37000 yuan
Upper and lower supporting station armored concrete expense is about：5.2*1500=7800 first
Column armored concrete expense is about：1.5*1.75*1500=3937.5 first
Spacer bar expense is about：100*20=2000 members
Anchor cable structure expense is about：400*20=8000 members
Material subtotal：58737.5 first
Scheme II total costs are about：
[(800+600+58737.5) * 500/6+1000+3000+3000] ten thousand yuan of/10000=501.85
It can be seen that scheme II saves about 644.26 ten thousand yuan of construction investment than scheme I, ratio nearly 56% is saved.
The above is the explain through diagrams a kind of light-duty combination retaining structure of Steep Slope Embankment of the utility model and its construction
Some principles of method are not intended to the utility model being confined to the applicable model of shown and described concrete structure and construction method
In enclosing, therefore every corresponding modification for being possible to be utilized and equivalent, belong to the apllied patent model of the utility model
It encloses.
Claims (8)
1. a kind of light-duty combination retaining structure of Steep Slope Embankment, it is characterized in that it includes：Lower bolt slip casting basic (11) and upper bolt
Slip casting basis (12), interval are arranged in rows on the steep slope foundation of embankment descending side and upward slope；Lower supporting table (21) and upper support
Platform (22) is separately positioned on lower bolt slip casting basic (11), at the top of upper bolt slip casting basic (12), at the top of lower supporting table (21) in
Reserve circular groove mouth in centre；Support post (3), lower end are that circular arc convex structure is placed on the arc at the top of lower supporting table (21)
In groove port；Breast boards (4) is overlapped between adjacent two support post (3)；Support construction, both ends respectively with support post (3)
Connection on the outside of top and upper supporting table (22)；Embankment engineering (7), placement in layers is on the inside of support post (3) and breast boards (4)
On abrupt slope.
2. a kind of light-duty combination retaining structure of Steep Slope Embankment as described in claim 1, it is characterized in that：The support construction includes
Spacer bar (5) and anchor cable structure (6), spacer bar (5) both ends are separately fixed at support post (3) top and upper supporting table
(22) outside, anchor cable structure (6) both ends are connect at the top of support post (3) with upper supporting table (22) respectively.
3. a kind of light-duty combination retaining structure of Steep Slope Embankment as described in claim 1, it is characterized in that：The bolt grouting basis
(1) anchor pole high-pressure slip-casting is used to form foundation, anchor pole is arranged depth and is not less than 8m, and plane uses square or rectangular cloth
It sets.
4. a kind of light-duty combination retaining structure of Steep Slope Embankment as described in claim 1, it is characterized in that：The lower supporting table (21)
It is poured using armored concrete with upper supporting table (22), main reinforcement and lower bolt slip casting basic (11), upper bolt slip casting basis
(12) exposure anchor pole is fixedly connected.
5. a kind of light-duty combination retaining structure of Steep Slope Embankment as claimed in claim 4, it is characterized in that：The lower supporting table (21)
The depth of top curve groove port is not less than 0.5m, and embedded bar is drawn on the outside of the upper end of support post (3) and upper supporting table (22)
Ring.
6. a kind of light-duty combination retaining structure of Steep Slope Embankment as described in claim 1, it is characterized in that：The support post (3)
Prefabricated using armored concrete, lower end circular arc convex structure matches with lower supporting table (21) top curve groove port.
7. a kind of light-duty combination retaining structure of Steep Slope Embankment as described in claim 1, it is characterized in that：The breast boards (4) is adopted
Prefabricated with armored concrete, both ends are not less than 0.2m with support post (3) lap width.
8. a kind of light-duty combination retaining structure of Steep Slope Embankment as claimed in claim 2, it is characterized in that：The spacer bar (5)
It is not less than the reinforcing bar or steel pipe of 32mm using diameter, interim stabilization is served to support post (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696049.0U CN208072450U (en) | 2017-12-07 | 2017-12-07 | A kind of light-duty combination retaining structure of Steep Slope Embankment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696049.0U CN208072450U (en) | 2017-12-07 | 2017-12-07 | A kind of light-duty combination retaining structure of Steep Slope Embankment |
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| Publication Number | Publication Date |
|---|---|
| CN208072450U true CN208072450U (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721696049.0U Withdrawn - After Issue CN208072450U (en) | 2017-12-07 | 2017-12-07 | A kind of light-duty combination retaining structure of Steep Slope Embankment |
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| CN (1) | CN208072450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975062A (en) * | 2017-12-07 | 2018-05-01 | 中铁二院工程集团有限责任公司 | A kind of light-duty combination retaining structure of Steep Slope Embankment and construction method |
-
2017
- 2017-12-07 CN CN201721696049.0U patent/CN208072450U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975062A (en) * | 2017-12-07 | 2018-05-01 | 中铁二院工程集团有限责任公司 | A kind of light-duty combination retaining structure of Steep Slope Embankment and construction method |
| CN107975062B (en) * | 2017-12-07 | 2023-09-22 | 中铁二院工程集团有限责任公司 | Steep slope embankment light combined retaining structure and construction method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181109 Effective date of abandoning: 20230922 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181109 Effective date of abandoning: 20230922 |