CN103469814A - Novel barricade supporting structure for road or river bank dam and construction method thereof - Google Patents
Novel barricade supporting structure for road or river bank dam and construction method thereof Download PDFInfo
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- CN103469814A CN103469814A CN201310435804XA CN201310435804A CN103469814A CN 103469814 A CN103469814 A CN 103469814A CN 201310435804X A CN201310435804X A CN 201310435804XA CN 201310435804 A CN201310435804 A CN 201310435804A CN 103469814 A CN103469814 A CN 103469814A
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Abstract
The invention relates to a novel barricade supporting structure for a road or river bank dam and a construction method thereof. A pre-stressed anchor (1) passes through a shingle (2) and a buttress (3) and is embedded in a reinforced soil mass (4); a cement mortar (6) is injected around an anchoring section (5) of the pre-stressed anchor (1); an end part of the pre-stressed anchor (1) is anchored on the shingle (2) by an anchor head (10); and expansion joints (11) and draining openings (12) are arranged in sections. The construction method comprises the following construction steps: constructing a base pile (13); pouring a wall base plate (14) and a reinforced concrete river bank dam (15); constructing the pre-stressed anchor (1); constructing the shingle (2) and the buttress (3) thereof; reserving the expansion joints (11) and draining openings (12) in sections; compacting wall-behind filling (16); applying a pre-stressing force by the pre-stressed anchor (1); fixedly locking the anchor head (10) fixedly connected with the pre-stressed anchor (1) by an anchoring tool (17); and constructing a next working surface according to the steps.
Description
Technical field
The present invention relates to the support technology of side slope.
Background technology
The support technology of ，Dui highway riverbank bank protection adopted gravity (weight formula) barricade more in the past.The way of Gravity Retaining Wall can adopt free stone masonry, also can adopt plain concrete to build and form, and this kind of method mainly relies on the deadweight rigidity of barricade to carry out the lateral pressure of the soil body after resistance wall.
The shortcoming of this support technology is: (1) is from great; (2) rigidity is large, poor seismic behavior; (3) resistance to overturning is poor, the resistance to capsizing deficiency.Therefore, the situation of overturning of retaining wall and slippage often occurs, affect the safety of engineering services, at this moment should consider to improve supporting type selecting that supporting scheme, design make new advances to making such engineering safer, economical.
Summary of the invention
Highway riverbank bank protection new type of retaining supporting and protection structure and job practices thereof.
The present invention is highway riverbank bank protection new type of retaining supporting and protection structure and job practices thereof, highway riverbank bank protection new type of retaining supporting and protection structure, in structure, there is a cross section to be similar to leg-of-mutton counterfort wall 18, counterfort wall 18 is afterwards for being reinforced the soil body 4, prestressed anchor 1 pass through wall surface plate 2 and counterfort 3 build-ins are reinforced the inside of the soil body 4 after wall, circumfusion cement mortar 6 at the anchoring section 5 of prestressed anchor 1, be coated with one deck anti-corrosion material 8 on the free segment 7 of prestressed anchor 1, suit PVC plastic bushing 9 outside anti-corrosion material 8, wrap up cement mortar 6 around PVC plastic bushing 9, anchor head 10 fixes on the end anchor of prestressed anchor 1 on shingle nail 2, subsection setup shrinkage joint 11 and spilled water hole 12, counterfort wall 18 can reach suffered soil pressure the anchoring section 5 of prestressed anchor 1 by anchor head 10, and be anchored in good ground by anchoring section 5.
The job practices of highway riverbank bank protection new type of retaining supporting and protection structure, the steps include:
(1) apply foundation pile 13: put into reinforcing cage in the stake hole of excavation, cast foundation pile 13, stretch into wall base plate 14 by the top protruding bar of foundation pile 13;
(2) build and make wall base plate 14 and steel concrete riverbank bank protection 15: at design attitude place formwork, the reserved shrinkage joint 11 of segmentation and spilled water hole 12, cage of reinforcement the concreting of colligation wall base plate 14, steel concrete riverbank bank protection 15 in the groove formed at formwork;
(3) make and construction prestressed anchor 1: pore-forming 19 in soil layer at first, to be welded on reinforcing bar anchor tie 21 medium-height trestle 20, reinforcing bar anchor tie 21 is positioned in hole 19, at anchoring section 5 injected water cement mortars 6, smear anti-corrosion material 8 on the free segment 7 of reinforcing bar anchor tie 21, then put PVC plastic bushing 9 at free segment 7, wrap up cement mortar 6 around PVC plastic bushing 9;
(4) apply counterfort wall shingle nail 2 and counterfort 3 thereof: at design attitude place formwork, cage of reinforcement the concreting of colligation shingle nail 2, counterfort 3 in the groove formed at formwork, reach 85% when above until concrete strength, by counterfort wall 18 rolling earth behind retaining wall 16 compactings;
(5) prestressed anchor 1 applies prestressing force: the anchor head 10 that will be fastenedly connected with prestressed anchor 1 with ground tackle 17 is locked, then does the concrete spray coating 22 for the protection of anchor head 10 and ground tackle 17;
(6) according to this step construct prestressed anchor 1, wall base plate 14, riverbank bank protection 15 and the counterfort wall 18 thereof of next work plane.
The invention has the beneficial effects as follows: by the improvement to original unsettled Gravity Retaining Wall, the stress of change structure, passive stressed by original Gravity Retaining Wall, be transformed into a kind of active force structure, and the prestressing force applied has improved the stability of riverbank side slope; Novel counterfort wall+prestressed anchor supporting and protection structure can be controlled sidesway and the distortion of side slope better, and the existence of wall base plate can improve the bending resistance of supporting and protection structure; Overcome Gravity Retaining Wall remove to rebuild that cost is high, engineering quantity is large, safety is low, to shortcomings such as environmental disruption are large; The safety that perturbation to side slope in work progress is little, guaranteed work progress; Improve its antidetonation, overturning or slip resistance analysis performance simultaneously; Technology is simple, and good looking appearance is convenient to application, and can be effectively protected river levee.
The accompanying drawing explanation
Fig. 1 is the elevation of structure of the present invention, and Fig. 2 is the sectional side view in Fig. 1, and Fig. 3 is prestressed anchor detail of construction of the present invention, is also construction reference figure, the reinforcing bar anchor tie 21 in figure in construction and the name after applying prestressing force be called prestressed anchor 1.
The specific embodiment
The present invention is highway riverbank bank protection new type of retaining supporting and protection structure and job practices thereof, as Fig. 1, Fig. 2, shown in Fig. 3, in its structure, there is a cross section to be similar to leg-of-mutton counterfort wall 18, counterfort wall 18 is rear for being reinforced the soil body 4, prestressed anchor 1 pass through wall surface plate 2 is reinforced the soil body 4 inside with counterfort 3 build-ins after wall, anchoring section 5 circumfusion cement mortar 6 at prestressed anchor 1, be coated with one deck anti-corrosion material 8 on the free segment 7 of prestressed anchor 1, suit PVC plastic bushing 9 outside anti-corrosion material 8, wrap up cement mortar 6 around PVC plastic bushing 9, anchor head 10 fixes on the end anchor of prestressed anchor 1 on shingle nail 2, subsection setup shrinkage joint 11 and spilled water hole 12, the suffered soil pressure of counterfort wall 18 reaches the anchoring section 5 of prestressed anchor 1 by anchor head 10, and is anchored in good ground by anchoring section 5.
The anchor pole inclination angle that prestressed anchor 3 becomes with horizontal plane is 5 ° ~ 15 °.
When implementing, section construction, from bottom to top successively, section construction, the step of its job practices is:
(1) apply foundation pile 13: put into reinforcing cage in the stake hole of excavation, cast foundation pile 13, go deep into wall base plate 14 by the top protruding bar of foundation pile 13.
(2) build and make wall base plate 14 and steel concrete riverbank bank protection 15: at design attitude place formwork, the reserved shrinkage joint 11 of segmentation and spilled water hole 12, cage of reinforcement the concreting of colligation wall base plate 14, steel concrete riverbank bank protection 15 in the groove formed at formwork.
(3) make and construction prestressed anchor 1: pore-forming 19 in soil layer at first, to be welded on reinforcing bar anchor tie 21 medium-height trestle 20, reinforcing bar anchor tie 21 is positioned in hole 19, at anchoring section 5 injected water cement mortars 6, smear anti-corrosion material 8 on the free segment 7 of reinforcing bar anchor tie 21, then put PVC plastic bushing 9 at free segment 7, wrap up cement mortar 6 around PVC plastic bushing 9.
(4) apply counterfort wall shingle nail 2 and counterfort 3 thereof: at design attitude place formwork, cage of reinforcement the concreting of colligation shingle nail 2, counterfort 3 in the groove formed at formwork, reach 85% when above until concrete strength, by counterfort wall 18 rolling earth behind retaining wall 16 compactings.
(5) prestressed anchor 1 applies prestressing force: the anchor head 10 that will be fastenedly connected with prestressed anchor 1 with ground tackle 17 is locked, then does the concrete spray coating 22 for the protection of anchor head 10 and ground tackle 17.
(6) according to this step construct prestressed anchor 1, wall base plate 14, riverbank bank protection 15 and the counterfort wall 18 thereof of next work plane.
Claims (3)
1. highway riverbank bank protection new type of retaining supporting and protection structure, it is characterized in that in structure having a cross section to be similar to leg-of-mutton counterfort wall (18), counterfort wall (18) is afterwards for being reinforced the soil body (4), prestressed anchor (1) pass through wall surface plate (2) and counterfort (3) build-in are reinforced the inside of the soil body (4) after wall, circumfusion cement mortar (6) at the anchoring section (5) of prestressed anchor (1), be coated with one deck anti-corrosion material (8) on the free segment (7) of prestressed anchor (1), suit PVC plastic bushing (9) outside anti-corrosion material (8), wrap up cement mortar (6) around PVC plastic bushing (9), anchor head (10) fixes on the end anchor of prestressed anchor (1) on shingle nail (2), subsection setup shrinkage joint (11) and spilled water hole (12), counterfort wall (18) can reach suffered soil pressure the anchoring section (5) of prestressed anchor (1) by anchor head (10), and be anchored in good ground by anchoring section (5).
2. highway according to claim 1 riverbank bank protection new type of retaining supporting and protection structure, is characterized in that the anchor pole inclination angle that prestressed anchor (1) becomes with horizontal plane is 5 ° ~ 15 °.
3. the job practices of highway riverbank bank protection new type of retaining supporting and protection structure, the steps include:
(1) apply foundation pile (13): put into reinforcing cage in the stake hole of excavation, cast foundation pile (13), stretch into wall base plate (14) by the top protruding bar of foundation pile (13);
(2) build and make wall base plate (14) and steel concrete riverbank bank protection (15): at design attitude place formwork, shrinkage joint (11) and spilled water hole (12) are reserved in segmentation, cage of reinforcement the concreting of colligation wall base plate (14), steel concrete riverbank bank protection (15) in the groove formed at formwork;
(3) make and construction prestressed anchor (1): pore-forming (19) in soil layer at first, to be welded on reinforcing bar anchor tie (21) medium-height trestle (20), reinforcing bar anchor tie (21) is positioned in hole (19), at anchoring section (5) injected water cement mortar (6), smear anti-corrosion material (8) on the free segment (7) of reinforcing bar anchor tie (21), then put PVC plastic bushing (9) at free segment (7), at PVC plastic bushing (9), wrap up cement mortar (6) on every side;
(4) apply counterfort wall shingle nail (2) and counterfort (3) thereof: at design attitude place formwork, cage of reinforcement the concreting of colligation shingle nail (2), counterfort (3) in the groove formed at formwork, reach 85% when above until concrete strength, by counterfort wall (18) rolling earth behind retaining wall (16) compacting;
(5) prestressed anchor (1) applies prestressing force: the anchor head (10) that will be fastenedly connected with prestressed anchor (1) with ground tackle (17) is locked, then does the concrete spray coating (22) for the protection of anchor head (10) and ground tackle (17);
(6) according to this step construct prestressed anchor (1), wall base plate (14), riverbank bank protection (15) and the counterfort wall (18) thereof of next work plane.
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| CN201310435804XA CN103469814A (en) | 2013-09-24 | 2013-09-24 | Novel barricade supporting structure for road or river bank dam and construction method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866788A (en) * | 2014-04-02 | 2014-06-18 | 李煜科 | Retaining wall reformation method for column type bridge abutment foreslope |
| CN104863176A (en) * | 2015-06-10 | 2015-08-26 | 上海煤气第二管线工程有限公司 | Natural gas pipeline engineering retaining wall and construction method thereof |
| CN104894926A (en) * | 2015-06-09 | 2015-09-09 | 中铁第一勘察设计院集团有限公司 | Retaining structure on existing railway high embankment and construction method thereof |
| CN105507950A (en) * | 2015-12-17 | 2016-04-20 | 大同煤矿集团有限责任公司 | Waterproof airtight structure with arched cushion wall |
| CN106284341A (en) * | 2016-08-21 | 2017-01-04 | 中国十九冶集团有限公司南京分公司 | A kind of prestress anchorage cable hillside wall construction technology |
| CN106906842A (en) * | 2017-04-20 | 2017-06-30 | 福建省建研工程顾问有限公司 | One kind draws anchor formula L-type Reinforced Concrete Retaining Walls |
| CN107700527A (en) * | 2017-11-07 | 2018-02-16 | 兰州理工大学 | Add the cantilever retaining wall and construction method of pilaster and anchor pole |
| CN108277814A (en) * | 2018-04-11 | 2018-07-13 | 王凯 | Stake top counterfort wall supporting construction and construction method |
| CN108330910A (en) * | 2018-01-10 | 2018-07-27 | 上海勘测设计研究院有限公司 | Bank protection structure |
| CN108532594A (en) * | 2018-06-22 | 2018-09-14 | 广西大学 | Anchor pole and construction method suitable for the karst area with connected pore channel |
| CN108677980A (en) * | 2018-07-12 | 2018-10-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of upstream cofferdam that taking into account communication function increases method and structure |
| CN108677869A (en) * | 2018-05-24 | 2018-10-19 | 上海勘测设计研究院有限公司 | Bank protection structure suitable for flood passage, flood control and navigable river |
| CN109826211A (en) * | 2019-02-18 | 2019-05-31 | 西安工程大学 | A kind of sand slope protection construction method |
| CN109914448A (en) * | 2019-04-16 | 2019-06-21 | 大连交通大学 | A kind of composite supporting construction widened for rock matter embankment and construction method |
| CN110438991A (en) * | 2019-07-17 | 2019-11-12 | 长安大学 | A kind of freeze proof Ecological Slope barricade of the dark and damp Han Qu pin-connected panel of weather and assembly method |
| CN110700291A (en) * | 2019-10-23 | 2020-01-17 | 山东建筑大学 | Combined retaining structure and construction method thereof |
| CN110984218A (en) * | 2019-12-30 | 2020-04-10 | 北京中景橙石科技股份有限公司 | Construction process for one-time pouring of decorative concrete retaining wall in wading |
| CN115305950A (en) * | 2022-07-26 | 2022-11-08 | 中国中材国际工程股份有限公司 | Assembled cantilever retaining wall and mounting method thereof |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866788B (en) * | 2014-04-02 | 2016-01-20 | 李煜科 | A kind of method of pillar abutment scarp slope barricadeization transformation |
| CN103866788A (en) * | 2014-04-02 | 2014-06-18 | 李煜科 | Retaining wall reformation method for column type bridge abutment foreslope |
| CN104894926A (en) * | 2015-06-09 | 2015-09-09 | 中铁第一勘察设计院集团有限公司 | Retaining structure on existing railway high embankment and construction method thereof |
| CN104863176A (en) * | 2015-06-10 | 2015-08-26 | 上海煤气第二管线工程有限公司 | Natural gas pipeline engineering retaining wall and construction method thereof |
| CN105507950B (en) * | 2015-12-17 | 2018-02-23 | 大同煤矿集团有限责任公司 | Arch cushion wall water-proof sealing structure |
| CN105507950A (en) * | 2015-12-17 | 2016-04-20 | 大同煤矿集团有限责任公司 | Waterproof airtight structure with arched cushion wall |
| CN106284341A (en) * | 2016-08-21 | 2017-01-04 | 中国十九冶集团有限公司南京分公司 | A kind of prestress anchorage cable hillside wall construction technology |
| CN106284341B (en) * | 2016-08-21 | 2018-08-17 | 中国十九冶集团有限公司南京分公司 | A kind of prestress anchorage cable hillside wall construction technology |
| CN106906842A (en) * | 2017-04-20 | 2017-06-30 | 福建省建研工程顾问有限公司 | One kind draws anchor formula L-type Reinforced Concrete Retaining Walls |
| CN107700527A (en) * | 2017-11-07 | 2018-02-16 | 兰州理工大学 | Add the cantilever retaining wall and construction method of pilaster and anchor pole |
| CN108330910A (en) * | 2018-01-10 | 2018-07-27 | 上海勘测设计研究院有限公司 | Bank protection structure |
| CN108277814A (en) * | 2018-04-11 | 2018-07-13 | 王凯 | Stake top counterfort wall supporting construction and construction method |
| CN108677869A (en) * | 2018-05-24 | 2018-10-19 | 上海勘测设计研究院有限公司 | Bank protection structure suitable for flood passage, flood control and navigable river |
| CN108532594A (en) * | 2018-06-22 | 2018-09-14 | 广西大学 | Anchor pole and construction method suitable for the karst area with connected pore channel |
| CN108677980A (en) * | 2018-07-12 | 2018-10-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of upstream cofferdam that taking into account communication function increases method and structure |
| CN108677980B (en) * | 2018-07-12 | 2023-10-31 | 中国电建集团贵阳勘测设计研究院有限公司 | Upstream cofferdam heightening method and structure taking traffic function into consideration |
| CN109826211A (en) * | 2019-02-18 | 2019-05-31 | 西安工程大学 | A kind of sand slope protection construction method |
| CN109826211B (en) * | 2019-02-18 | 2021-01-29 | 西安工程大学 | Sand slope protection construction method |
| CN109914448A (en) * | 2019-04-16 | 2019-06-21 | 大连交通大学 | A kind of composite supporting construction widened for rock matter embankment and construction method |
| CN110438991A (en) * | 2019-07-17 | 2019-11-12 | 长安大学 | A kind of freeze proof Ecological Slope barricade of the dark and damp Han Qu pin-connected panel of weather and assembly method |
| CN110438991B (en) * | 2019-07-17 | 2024-02-23 | 长安大学 | Assembled frost-resistant ecological side slope retaining wall for climate yin-dampness-cold region and assembly method |
| CN110700291A (en) * | 2019-10-23 | 2020-01-17 | 山东建筑大学 | Combined retaining structure and construction method thereof |
| CN110984218A (en) * | 2019-12-30 | 2020-04-10 | 北京中景橙石科技股份有限公司 | Construction process for one-time pouring of decorative concrete retaining wall in wading |
| CN115305950A (en) * | 2022-07-26 | 2022-11-08 | 中国中材国际工程股份有限公司 | Assembled cantilever retaining wall and mounting method thereof |
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Application publication date: 20131225 |
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