CN103628489A - Highway side slope reinforced structure - Google Patents
Highway side slope reinforced structure Download PDFInfo
- Publication number
- CN103628489A CN103628489A CN201310653558.5A CN201310653558A CN103628489A CN 103628489 A CN103628489 A CN 103628489A CN 201310653558 A CN201310653558 A CN 201310653558A CN 103628489 A CN103628489 A CN 103628489A
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- slope
- reinforcement structure
- concrete frame
- anchor rod
- highway
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- 239000004567 concrete Substances 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 15
- 239000011435 rock Substances 0.000 claims abstract description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000002352 surface water Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
本发明公开了一种高速公路边坡加固结构，沿坡面纵向设置有多道混凝土框架梁（3），沿坡面横向铺设有多道被施加预应力的防锈预应力钢绞线（4），所述的防锈预应力钢绞线（4）固定铺设在所述的混凝土框架梁(3)的上层并且其两端分别固定在第一锚杆（1）和第二锚杆（2）上，所述的第一锚杆（1）和第二锚杆（2）分别固定在边坡的坡脚处和边坡的顶端力学性质比较好的岩土层里。本发明在保证有效加固高速公路边坡的基础上，减少了混凝土用量及占用面积，从而增加了绿化面积；减少了边坡加固时的施工的人工及机械的需求量，减少了边坡开挖时的岩土方量，避免污染破坏环境，从而最终减少了总成本。
The present invention discloses a highway slope reinforcement structure, wherein a plurality of concrete frame beams (3) are arranged longitudinally along the slope surface, and a plurality of rust-proof prestressed steel strands (4) to which prestress is applied are laid transversely along the slope surface, wherein the rust-proof prestressed steel strands (4) are fixedly laid on the upper layer of the concrete frame beams (3) and the two ends thereof are respectively fixed on a first anchor rod (1) and a second anchor rod (2), and the first anchor rod (1) and the second anchor rod (2) are respectively fixed at the foot of the slope and in a rock and soil layer with relatively good mechanical properties at the top of the slope. The present invention reduces the amount of concrete used and the occupied area on the basis of ensuring effective reinforcement of the highway slope, thereby increasing the greening area; reduces the amount of labor and machinery required for construction during slope reinforcement, reduces the amount of rock and soil during slope excavation, avoids pollution and environmental damage, and ultimately reduces the total cost.
Description
Technical field
The present invention relates to a kind of expressway slope and reinforce set a series of reinforcement measure, particularly relate to a kind of expressway slope ruggedized construction.
Background technology
The reinforcing of side slope is newly-built or the very important ingredient of reorganization and expansion speedway, the Expressway High-Slope Strengthening engineering quantity of most is large, human input is higher, vertical construction of frame beam difficulty is larger, and adopts other reinforcing technique expenses such as antislide pile and anchor pole relatively high.For this situation, in the present invention, vertical frame girder construction is substituted with steel strand, can effectively to side slope, reinforce, not only reduced greatly construction volume and human input, improve expressway slope strengthening construction progress simultaneously.
Summary of the invention
Technical problem to be solved by this invention is expressway slope ruggedized construction and the construction method that proposes a kind of stability of slope, saves engineering cost, accelerating construction progress.
In order to solve the problems of the technologies described above, expressway slope ruggedized construction provided by the invention, along the domatic multiple tracks concrete frame beam that is vertically arranged with, along the domatic multiple tracks that is laterally equipped with, be applied in prestressed antirust prestress wire, upper strata and its two ends that described steel strand are fixedly laid on described concrete frame beam are separately fixed on the first anchor pole and the second anchor pole, and the first described anchor pole and the second anchor pole are separately fixed in the toe place of side slope and the reasonable rock-soil layer of top mechanical property of side slope.
At other gutter and the drain hole of being provided with of described concrete frame beam.
Described gutter and drain hole be spaced apart 2m～4m.
The lateral separation distance of described concrete frame beam is 2m～4m, and evenly lays fixing.
The setting of gutter and drain hole is in the soil layer on the side of concrete frame beam.
The first described anchor pole and the second anchor pole adopt the form of mechanical hole reaming to be fixed in the reasonable rock-soil layer of top mechanical property of side slope toe place and side slope.
The longitudinal separation distance of described steel strand is 1m～3m, and evenly lays fixing.
Described concrete frame beam is anchor rod anchored in rock-soil layer with common shallow layer grouting.
Adopt the expressway slope ruggedized construction of technique scheme, hole reaming of anchor rod is squeezed into respectively in relevant position on expressway slope toe place and side slope top, hole reaming of anchor rod can have stronger resistance to tension with respect to common bolt, upper and lower anchor pole is used for fixing and applies prestressed steel strand, the prestressing force that steel strand apply equals to make side slope to have stable active force, and the horizontally set interval of steel strand is 1～3m.The method that the calculating of the first anchor pole and the second anchor-holding force of anchor bolt provides according to building slope technical specification simultaneously.
If described anchor pole need to separately add anchor pole in the centre position of side slope, need depending on concrete edge slope structure.
Concrete frame beam is anchor rod anchored in rock-soil layer with common shallow layer grouting, and concrete frame beam and steel strand have formed rectangle net structure, comprehensively fixed slope.
In the formed rectangular configuration of described steel strand and concrete frame beam, at interval of 2m～4m, one gutter and drain hole are set, the setting in gutter is in the soil layer on the side of concrete frame beam, gutter leads to Side Drain for Expressway downwards along the path of steel strand as far as possible, steel strand are under prestressed effect, near it, rock-soil layer can, to lower recess, be convenient to draining under the prestressing force effect applying.
At described anchor pole and soil body junction injection cement grout, fixed.
The setting principle in described gutter is that classification is dammed, combination in length and breadth; The draining of high gradient slope or the not good enough side slope of geotechnical stability takes classification to dam, in conjunction with the method for draining, process in length and breadth.Surface water beyond top, slope is drained from gutter; Each step of classification side slope arranges gutter draining; Toe is established gutter draining.High gradient slope should arrange the gutter of vertical route at a certain distance according to landform and domatic size, makes surface water discharge as early as possible side slope.
Side slope surface layer in the rectangular extent that described Vierendeel girder is gone with steel strand will carry out ecological protection, in the situation that side slope is soil-slope, and Turf Culture in rectangular extent; When side slope is rock side slope, first layer overlay thick-layer base material on domatic, and then by the composite material spray attachment that contains nutrient and grass seeds to domatic upper, make greening side slope.In the other 1m of the toe place of side slope Side Drain for Expressway left and right, excavate plantation heatable adobe sleeping platform, cultivate trailing plant.
The present invention guarantees bolt anchorage, and steel strand prestress setting can cooperatively interact, and in the hope of reaching stability of slope, this method can reach saving engineering cost, accelerating construction progress simultaneously.
In sum, the technology of the present invention has solved the problem that in expressway slope work progress, construction cost is high, progress is slow, take into account structure slim and graceful simultaneously, reasonable stress, take full advantage of the material advantage of transverse frame beam and steel strand, practicality is stronger, handsome in appearance, is a kind of expressway slope ruggedized construction of safe and reliable, attractive in appearance, ecological, environmental protective.
Accompanying drawing explanation
Fig. 1 is the side schematic view of highway engineering slope reinforcement structure.
Fig. 2 is the structural representation of highway engineering slope reinforcement structure.
The specific embodiment
Below in conjunction with accompanying drawing, patent of the present invention is described further.
Referring to Fig. 1 and Fig. 2, along the domatic concrete frame beam 3 that is vertically arranged with multiple tracks lateral separation 2m～4m, along domatic, be laterally equipped with multiple tracks longitudinal separation 1m～3m and be applied in prestressed antirust prestress wire 4, upper strata and its two ends that steel strand 4 adopt common shallow-layer anchor pole 6 anchorings to be fixedly laid on concrete frame beam 3 are separately fixed on the first anchor pole 1 and the second anchor pole 2, the first anchor pole 1 and the second anchor pole 2 adopt the form of mechanical hole reaming to be separately fixed in the toe place of side slope and the reasonable rock-soil layer of top mechanical property of side slope, on domatic, be provided with the gutter 5 that is spaced apart 2m～4m.
The prestressing force that steel strand 4 apply should reach the needed anchored force of stability of slope, the method that the calculating of the first anchor pole 1 and the second anchor pole 2 anchored force provides according to building slope technical specification simultaneously.
The setting of gutter 5 and drain hole 8 is in the rock-soil layer of the side of concrete frame beam 3, gutter 5 leads to Side Drain for Expressway downwards along the path of steel strand 4 as far as possible, antirust prestress wire 4 is under prestressed effect, near it, soil layer can, to lower recess, be convenient to draining under the prestressing force effect applying.
At the first anchor pole 1 and the second anchor pole 2, fixed with Rock And Soil junction injection cement grout.
The setting principle in gutter 5 is that classification is dammed, combination in length and breadth; The draining of high gradient slope or the not good enough side slope of geotechnical stability takes classification to dam, in conjunction with the method for draining, process in length and breadth.Surface water beyond slope top 5 is drained from gutter; Each step of classification side slope arranges gutter 5 drainings; Toe is established gutter draining.Water in the body of slope out flows into gutter 5 from drain hole 8, then from gutter, 5 enters gutter and drains.High gradient slope should arrange the gutter of vertical route at a certain distance according to landform and domatic size, makes surface water discharge as early as possible side slope.
Side slope surface layer in the rectangular extent that concrete frame beam 3 is gone with antirust prestress wire 4 will carry out ecological protection, and in the situation that side slope is soil-slope, in rectangular extent, Turf Culture 9; When side slope is rock side slope, first layer overlay thick-layer base material on domatic, and then by the composite material spray attachment that contains nutrient and grass seeds to domatic upper, make greening side slope.In the other 1m of the toe place of side slope Side Drain for Expressway left and right, excavate plantation heatable adobe sleeping platform, cultivate trailing plant.
Referring to Fig. 1 and Fig. 2, the construction method that the expressway slope that the present invention adopts is reinforced is:
(1), first expressway slope is cleared up, uneven place is scabbled as far as possible, the stone of removing rubble simultaneously and easily pitching, facilitates the construction of concrete frame beam and the tensioning construction of antirust prestress wire of side slope.
(2), at top, slope and the toe place of expressway slope, squeeze into respectively hole reaming of anchor rod.
(3), antirust prestress wire is by the anchoring reinforcement measure of anchor pole, prestressed stretch-draw should be carried out at the two ends of high slope simultaneously simultaneously, prevents the stretch-draw that tensioned at one end occurs inhomogeneous, there is the phenomenon of destroying in side slope geologic structure.
(4), antirust prestress wire arranges protector with the junction of concrete frame beam, prevent that steel strand are offset, and guarantee that concrete frame beam can not destroy because of the stressed power transmission of steel strand.
(5), the ecological protection of the side slope mode that adopts slope body vegetation and toe climbing plant to combine, make full use of the advantage of ecological protection, environmental protection attractive in appearance, prevents that in ecological mode side slope rubble, soil layer from destroying.
(6), to add in addition the situation of anchor pole in side slope according to need for environment, need separately to add anchor pole, guarantee two ends simultaneous tension prestressing force simultaneously, for example there are three anchor poles, in the middle of anchor pole position need stretch-draw twice.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310653558.5A CN103628489B (en) | 2013-12-05 | 2013-12-05 | Highway side slope reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310653558.5A CN103628489B (en) | 2013-12-05 | 2013-12-05 | Highway side slope reinforced structure |
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| Publication Number | Publication Date |
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| CN103628489A true CN103628489A (en) | 2014-03-12 |
| CN103628489B CN103628489B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310653558.5A Expired - Fee Related CN103628489B (en) | 2013-12-05 | 2013-12-05 | Highway side slope reinforced structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436724A (en) * | 2016-11-11 | 2017-02-22 | 四川大学 | Root-anchor system reinforcing ecological slope protection method for fill slope |
| CN107237334A (en) * | 2017-06-12 | 2017-10-10 | 江苏旭辰交通科技发展有限公司 | A kind of road foundation execavated rockmass frame gird type slope protection code builds the construction method of plant biological bag greening |
| CN108360537A (en) * | 2018-01-31 | 2018-08-03 | 河海大学 | A kind of microorganism consolidates the bank protection anchor structure used in sand engineering and its application method |
| CN108487262A (en) * | 2018-03-12 | 2018-09-04 | 沙洲职业工学院 | A kind of mine slope prevents the robust structure on landslide |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005213977A (en) * | 2004-02-02 | 2005-08-11 | Ps Mitsubishi Construction Co Ltd | Slope stabilization method |
| CN201343733Y (en) * | 2009-01-15 | 2009-11-11 | 四川省交通厅交通勘察设计研究院 | Ecological protection structure with steady rock side slope |
| CN201610546U (en) * | 2010-01-07 | 2010-10-20 | 贵州省交通规划勘察设计研究院 | Prestress anchoring frame plat |
| CN102330431A (en) * | 2011-06-16 | 2012-01-25 | 兰州理工大学 | Flexible support structure of pre-stress anchor rod for lattice type frame and construction method of flexible support structure |
| CN202969394U (en) * | 2012-10-22 | 2013-06-05 | 中国水电建设集团路桥工程有限公司 | Device for reinforcing protection structure |
| CN103334441A (en) * | 2013-07-23 | 2013-10-02 | 重庆交通大学 | Road slope protecting structure and construction method thereof |
-
2013
- 2013-12-05 CN CN201310653558.5A patent/CN103628489B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005213977A (en) * | 2004-02-02 | 2005-08-11 | Ps Mitsubishi Construction Co Ltd | Slope stabilization method |
| CN201343733Y (en) * | 2009-01-15 | 2009-11-11 | 四川省交通厅交通勘察设计研究院 | Ecological protection structure with steady rock side slope |
| CN201610546U (en) * | 2010-01-07 | 2010-10-20 | 贵州省交通规划勘察设计研究院 | Prestress anchoring frame plat |
| CN102330431A (en) * | 2011-06-16 | 2012-01-25 | 兰州理工大学 | Flexible support structure of pre-stress anchor rod for lattice type frame and construction method of flexible support structure |
| CN202969394U (en) * | 2012-10-22 | 2013-06-05 | 中国水电建设集团路桥工程有限公司 | Device for reinforcing protection structure |
| CN103334441A (en) * | 2013-07-23 | 2013-10-02 | 重庆交通大学 | Road slope protecting structure and construction method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436724A (en) * | 2016-11-11 | 2017-02-22 | 四川大学 | Root-anchor system reinforcing ecological slope protection method for fill slope |
| CN106436724B (en) * | 2016-11-11 | 2018-08-28 | 四川大学 | Root anchor system reinforces embankment slope ecological bank protecting method |
| CN107237334A (en) * | 2017-06-12 | 2017-10-10 | 江苏旭辰交通科技发展有限公司 | A kind of road foundation execavated rockmass frame gird type slope protection code builds the construction method of plant biological bag greening |
| CN107237334B (en) * | 2017-06-12 | 2019-04-02 | 南通大学 | A kind of road foundation execavated rockmass frame gird type slope protection code builds the construction method of plant biological bag greening |
| CN108360537A (en) * | 2018-01-31 | 2018-08-03 | 河海大学 | A kind of microorganism consolidates the bank protection anchor structure used in sand engineering and its application method |
| CN108487262A (en) * | 2018-03-12 | 2018-09-04 | 沙洲职业工学院 | A kind of mine slope prevents the robust structure on landslide |
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| Publication number | Publication date |
|---|---|
| CN103628489B (en) | 2015-08-12 |
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Granted publication date: 20150812 Termination date: 20191205 |