CN103243738A - Foundation for open type retaining wall with reinforced concrete frame - Google Patents
Foundation for open type retaining wall with reinforced concrete frame Download PDFInfo
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- CN103243738A CN103243738A CN2013100082401A CN201310008240A CN103243738A CN 103243738 A CN103243738 A CN 103243738A CN 2013100082401 A CN2013100082401 A CN 2013100082401A CN 201310008240 A CN201310008240 A CN 201310008240A CN 103243738 A CN103243738 A CN 103243738A
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Abstract
A foundation for an open type retaining wall with a reinforced concrete frame comprises a retaining wall and attached walls used for supporting the retaining wall. The attached walls are a plurality of triangular cable-stayed walls which are integrated with the retaining wall, a reinforced concrete board base is laid at the bottom of the retaining wall, a plurality of reinforced concrete piles are arranged below the center of the reinforced concrete board base in the width direction, rectangular piles are further arranged at same-length ends of the retaining wall body towards intersection points of the retaining wall body and long ends of the attached walls, attached wall board bases are arranged below the attached walls, and two circular piles are arranged on each attached wall. The foundation for the open type retaining wall with the reinforced concrete frame has the advantages that raw materials are saved and can be saved by 45% at least under the condition that the retaining performance of the retaining wall is unchanged, and accordingly the project cost is saved by more than 25%.
Description
Technical field
The present invention relates to road and bridge building unit field, particularly a kind of open-type reinforced concrete frame retaining wall that is applicable to that speedway, railway, High-speed Railway Bridges bridge end access bridge both sides shield is used the basis.
Background technology
Build the fast development of process along with national economy and urbanization, for the increasing speedway of the needs that satisfy traffic is constantly pruned and the one-tenth network, being open to traffic of high-speed railway brings great convenience to people's trip and life especially, in the process of building high-speed railway or highway, often need obstacles such as river crossing, valley, thus bridge to set up and build be an important engineering of highway, railway run-through.When building road and bridge, two ends at bridge all are provided with access bridge, the access bridge roadbed not only needs to lay solid foundation under the road surface, also needs in both sides to banket to guide access bridge into the bridge end, because the laxity of earth, for preventing that earth is in the situation of rainwater weather generation mud-rock flow, the retaining civil engineering need be set in the access bridge both sides build and protect, the retaining civil engineering of access bridge is built and is all adopted gravity solid concrete pier at present, and this solid concrete pier is bulky, materials are more, the expense of taking a lot of work during construction material.
Summary of the invention
For overcoming the drawback that exists in the above-mentioned technology, the invention provides a kind of open-type reinforced concrete frame retaining wall with the basis, can guarantee to keep off native stability, can reach labor and material saving again.
For achieving the above object, the technical solution used in the present invention is: open-type reinforced concrete frame retaining wall is with basic, comprise retaining wall and be used for the attached wall wall of supported retaining wall, described attached wall wall is the oblique tie wall of triangle that several and retaining wall are connected as a single entity, be equipped with steel concrete plate base in described retaining wall bottom, have several steel concrete stakes at described steel concrete plate sound stage width degree center, every end with length under described retaining wall also is provided with the rectangle stake to used retaining wall and the long end of attached wall wall joining in long, be arranged with attached wall wallboard base at described attached wall wall, described every section attached wall wall is provided with two circular stakes.
The height of described retaining wall is not higher than 20 meters.
Between the described attached wall wall at be spaced apart 6 meters of retaining wall.
The stake of described steel concrete evenly distributes with mind-set both sides in the steel concrete plate base, is spaced apart 3 meters.
Described rectangle stake is arranged on retaining wall and attached wall wall junction, is spaced apart 30 meters.
High 6 meters thickness with interior retaining wall are 1/40 of body of wall height.
The thickness of high 6 ~ 20 meters retaining walls is 0.125+(20-x) * 3/1000(rice), x=6 ~ 20.
High 6 meters with interior retaining wall, described steel concrete plate sound stage width degree is 0.4 meter, thickness is 0.08 meter.
High 6 ~ 20 meters retaining walls, steel concrete plate sound stage width degree is (x-6) * 0.043+0.4(rice), x=6 ~ 20, thickness is (x-6) * 0.0286+0.08(rice), x=6 ~ 20.
High 6 meters steel concrete stakes with interior retaining wall highly are 0.6 meter, diameter is 0.3 ~ 0.4 meter, the steel concrete stake of high 6 ~ 20 meters retaining wall highly is 0.6+(x-6) * 0.029(rice), diameter is (0.3 ~ 0.4)+(x-6) * (0.0428 ~ 0.05) (rice).
The width of described rectangle stake is 1.5 meters, and thickness is 0.4 meter, and high 6 meters height with the rectangle stake of interior retaining wall are 1 meter, and the height of the rectangle stake of high 6 ~ 20 meters retaining walls is 2 meters.
Described attached wall wall maximum height is consistent with the retaining wall height, and the angle of inclination is oblique 75 degree down, and thickness is y (0.01 ~ 0.09) (rice), and y is the retaining wall height.
Described attached wall wallboard sound stage width degree is y(0.1 ~ 0.9) (rice), thickness is y(0.01 ~ 0.09) (rice), y is the retaining wall height.
Described circular stake be distributed in attached wall wall by 2/5 and 4/5 outside place of retaining wall, high 6 meters with interior retaining wall, the diameter of circular stake is x/10(rice), the degree of depth is x/6(rice), x＜6; High 6 ~ 20 meters retaining wall, the diameter of circular stake is (0.3 ~ 0.4)+x(0.0286 ~ 0.05) (rice), the degree of depth is 0.6+(x-6) * 0.029(rice), x=6 ~ 20.
The good effect that the present invention produces is: save material, under the situation that does not change retaining soil nature energy, can save at least 45%, make construction costs save more than 25% by its raw material with the basis for this open-type reinforced concrete frame retaining wall.
Description of drawings
Fig. 1 is plan structure schematic diagram of the present invention.
Fig. 2 is test structure schematic diagram of the present invention.
The specific embodiment
The present invention will be further described below in conjunction with the drawings and specific embodiments:
As Fig. 1, shown in Figure 2, open-type reinforced concrete frame retaining wall is with basic, comprise retaining wall 1 and be used for the attached wall wall 2 of supported retaining wall, described attached wall wall 2 is the oblique tie wall of triangle that several and retaining wall 1 are connected as a single entity, be equipped with steel concrete plate base 11 in described retaining wall 1 bottom, have several steel concrete stakes 12 at described steel concrete plate base 11 wide centers, also be provided with rectangle stake 13 at 1 time every end with length of described retaining wall to used retaining wall and the long end of attached wall wall joining in long, be arranged with attached wall wallboard base 21 at described attached wall wall 2, be arranged with two circular stakes 22 at the plate sound stage width center of described every section attached wall wall 2.
The height of described retaining wall 1 is not higher than 20 meters.
Between the described attached wall wall 2 at be spaced apart 6 meters of retaining wall 1.
Described steel concrete stake 12 evenly distributes with mind-set both sides in the steel concrete plate base 11, is spaced apart 3 meters.
Described rectangle stake 13 is arranged on retaining wall 1 and attached wall wall 2 junctions, is spaced apart 30 meters.
High 6 meters thickness with interior retaining wall are 1/40 of body of wall height.
The thickness of high 6 ~ 20 meters retaining walls is 0.125+(20-x) * 3/1000(rice), x=6 ~ 20.
High 6 meters with interior retaining wall, described steel concrete plate sound stage width degree is 0.4 meter, thickness is 0.08 meter.
High 6 ~ 20 meters retaining walls, steel concrete plate sound stage width degree is (x-6) * 0.043+0.4(rice), x=6 ~ 20, thickness is (x-6) * 0.0286+0.08(rice), x=6 ~ 20.
High 6 meters steel concrete stakes with interior retaining wall highly are 0.6 meter, diameter is 0.3 ~ 0.4 meter, the steel concrete stake of high 6 ~ 20 meters retaining wall highly is 0.6+(x-6) * 0.029(rice), diameter is (0.3 ~ 0.4)+(x-6) * (0.0428 ~ 0.05) (rice).
The width of described rectangle stake is 1.5 meters, and thickness is 0.4 meter, and high 6 meters height with the rectangle stake of interior retaining wall are 1 meter, and the height of the rectangle stake of high 6 ~ 20 meters retaining walls is 2 meters.
Described attached wall wall maximum height is consistent with the retaining wall height, and the angle of inclination is oblique 75 degree down, and thickness is y (0.01 ~ 0.09) (rice), and y is the retaining wall height.
Described attached wall wallboard sound stage width degree is y(0.1 ~ 0.9) (rice), thickness is y(0.01 ~ 0.09) (rice), y is the retaining wall height.
Described circular stake be distributed in attached wall wall by 2/5 and 4/5 outside place of retaining wall, high 6 meters with interior retaining wall, the diameter of circular stake is x/10(rice), the degree of depth is x/6(rice), x＜6; High 6 ~ 20 meters retaining wall, the diameter of circular stake is (0.3 ~ 0.4)+x(0.0286 ~ 0.05) (rice), the degree of depth is 0.6+(x-6) * 0.029(rice), x=6 ~ 20.
Concrete operations are:
Reach dark 0.25M place under the special severe cold area frozen soil layer under nature underground 0.5-0.8M or the frozen soil layer with being deeper than with plane on the board-like steel concrete of the banding pattern plate base respectively under the retaining wall and under the attached wall wall, as moist water breakthrough under the plate base base, establish thick 8-10CM concrete bed course on the ground.
Retaining wall is complied with outer facade meter inside 1/3 with the outer the inside of this wall with to having a lot of social connections to thickness 2/3 place after placing wall with reinforced mesh.The long flat muscle of 0.15M and the retaining wall lower plate base reinforced mesh of being not less than is to connection behind the folding an angle of 90 degrees of perpendicular reinforcing bar lower end, in addition retaining wall link outer with the attached wall wall and the retaining wall pilaster with perpendicular reinforcing bar by the long 0.2M that is no less than in the plate base entering plate base lower prop, or made progress to dash forward with vertical reinforcement by setting in the stake and be higher than difference high 1 and 2.5M on the plate base.Reinforced mesh and attached wall pilaster and horizontal attached wall beam link with stirrup and are not less than 0.1M behind the invagination an angle of 90 degrees in the retaining walls.
Attached wall wall wall thickness 1/2 place's reinforced mesh is not less than with flat length that banding pattern plate base reinforced mesh links under long 0.25M and the attached wall wall with vertical reinforcement lower end folding 90 degree, its attached wall wall pilaster vertical reinforcement should be gone into the long 0.3M that is not less than in the stake by the plate base, or by establish in the stake upwards long 1 and the 2.5M reinforcing bar highly connect with the perpendicular reinforcing bar branch of this wall pilaster.
With the perpendicular reinforcing bar 4CM outside pile lining of following of attached wall wall lower plate base, be topping reinforcing bar thickness under the retaining wall.
Banding pattern plate Ji Xiapingmianchu under the excavation retaining wall and under the attached wall wall, with each shaped steel concrete stake under the upper plate base downwards dark (length) locate, and execute to build and water each shaped steel concrete post in the plate base lower plane 10CM place that makes progress.Upwards outwards outwards making the native anti-collapse of foundation pit slope deeply according to banding pattern plate base according to 45 degree by excavation limit, band plate sound stage width place again falls in the steel concrete band plate base.Going to cheat the wall slope makes the foundation ditch facade not have in the load total value is held on the basis meter to hold load according to plate base heavy wall area and ground frictional resistance.
Retaining wall and attached wall wall lower plate base reinforced mesh place the thick lower plane of the plate base 4CM place that makes progress.
Basis C20 concrete.Under the ground upper plate base concrete C10 bed course thick＜8-10CM.
Do following flat place under the plate base of retaining wall and attached wall wall lower plate base earlier, stake is simultaneously by making progress in place, natural ground residue hole domestic demand soil on the fill plate base again when doing the construction of plate base behind the plate base.
Adopt the technology of the present invention and routine techniques to compare with the foundation cost benefit at high 6 meters retaining walls: to carry out GB50007-2002 6.6.4 bar and JTJ021-89 7.0.1 bar and go up wide 0.5M downwards by adding to 0.9M with high 6M, the wide 0.9M of long 6M gravity retaining wall widens 0.25M to every side, with dark (height) 0.5M, rubble is built the basis according to using 4.053m
3By 300 yuan/m of cost
31215 yuan of meter costs.The technology of the present invention basis 1.31 m
3The steel concrete is according to 600 yuan/m of cost
3, valuate 781.32 yuan, save rubble and build 423.37 yuan of foundation costs, can save 32% with concrete cushion under joint cost 35.67%(such as the plate base).
Claims (10)
1. open-type steel concrete ore deposit machine barricade is with basic, it is characterized in that: it comprises retaining wall and is used for the attached wall wall of supported retaining wall, described attached wall wall is the oblique tie wall of triangle that several and retaining wall are connected as a single entity, be equipped with steel concrete plate base in described retaining wall bottom, have several steel concrete stakes at described steel concrete plate sound stage width degree center, every end with length under described retaining wall also is provided with the rectangle stake to used retaining wall and the long end of attached wall wall joining in long, be arranged with attached wall wallboard base at described attached wall wall, described every section attached wall wall is provided with two circular stakes.
2. open-type steel concrete according to claim 1 ore deposit machine barricade is with the basis, and it is characterized in that: the height of described retaining wall is not higher than 20 meters.
3. open-type steel concrete according to claim 1 ore deposit machine barricade is with the basis, and it is characterized in that: the stake of described steel concrete evenly distributes with mind-set both sides in the steel concrete plate base, is spaced apart 3 meters.
4. open-type steel concrete according to claim 1 ore deposit machine barricade is with the basis, and it is characterized in that: described rectangle stake is arranged on retaining wall and attached wall wall junction, is spaced apart 30 meters.
5. open-type steel concrete according to claim 2 ore deposit machine barricade is with the basis, it is characterized in that: high 6 meters 1/40(rice that the thickness with interior retaining wall is the body of wall height), the thickness of high 6 ~ 20 meters retaining walls is 0.125+(20-x) * 3/1000(rice), x=6 ~ 20.
6. open-type steel concrete according to claim 1 ore deposit machine barricade is with the basis, it is characterized in that: high 6 meters with interior retaining wall, described steel concrete plate sound stage width degree is 0.4 meter, thickness is 0.08 meter, high 6 ~ 20 meters retaining walls, steel concrete plate sound stage width degree is (x-6) * 0.043+0.4(rice), x=6 ~ 20, thickness is (x-6) * 0.0286+0.08(rice), x=6 ~ 20.
7. open-type steel concrete according to claim 4 ore deposit machine barricade is with the basis, it is characterized in that: high 6 meters steel concrete stakes with interior retaining wall highly are 0.6 meter, diameter is 0.3 ~ 0.4 meter, the steel concrete stake of high 6 ~ 20 meters retaining wall highly is 0.6+(x-6) * 0.029(rice), diameter is (0.3 ~ 0.4)+(x-6) * (0.0428 ~ 0.05) (rice).
8. open-type steel concrete according to claim 1 ore deposit machine barricade is with the basis, it is characterized in that: the width of described rectangle stake is 1.5 meters, thickness is 0.4 meter, and high 6 meters height with the rectangle stake of interior retaining wall are 1 meter, and the height of the rectangle stake of high 6 ~ 20 meters retaining walls is 2 meters.
9. open-type steel concrete according to claim 1 ore deposit machine barricade is with the basis, it is characterized in that: between the described attached wall wall at be spaced apart 6 meters of retaining wall, described attached wall wall maximum height is consistent with the retaining wall height, the angle of inclination is oblique 75 degree down, thickness is y (0.01 ~ 0.09) (rice), described attached wall wallboard sound stage width degree is y(0.1 ~ 0.9) (rice), thickness is y(0.01 ~ 0.09) (rice), y is the retaining wall height.
10. open-type steel concrete according to claim 1 ore deposit machine barricade is with the basis, it is characterized in that: described circular stake be distributed in attached wall wall by 2/5 and 4/5 outside place of retaining wall, high 6 meters with interior retaining wall, the diameter of circular stake is x/10(rice), the degree of depth is x/6(rice), x＜6; High 6 ~ 20 meters retaining wall, the diameter of circular stake is (0.3 ~ 0.4)+x(0.0286 ~ 0.05) (rice), the degree of depth is 0.6+(x-6) * 0.029(rice), x=6 ~ 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100082401A CN103243738A (en) | 2013-01-10 | 2013-01-10 | Foundation for open type retaining wall with reinforced concrete frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100082401A CN103243738A (en) | 2013-01-10 | 2013-01-10 | Foundation for open type retaining wall with reinforced concrete frame |
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| CN103243738A true CN103243738A (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100082401A Pending CN103243738A (en) | 2013-01-10 | 2013-01-10 | Foundation for open type retaining wall with reinforced concrete frame |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485363A (en) * | 2013-10-10 | 2014-01-01 | 海南恒鑫土木工程建设有限公司 | Three-dimensional continuous frame type reinforced concrete structure retaining wall |
| CN107974876A (en) * | 2017-12-14 | 2018-05-01 | 中铁二院工程集团有限责任公司 | Existing railway increases road construction dike multiline pile earth-retaining construction |
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| CN201212151Y (en) * | 2008-07-01 | 2009-03-25 | 中铁二院工程集团有限责任公司 | Retaining wall foundation structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485363A (en) * | 2013-10-10 | 2014-01-01 | 海南恒鑫土木工程建设有限公司 | Three-dimensional continuous frame type reinforced concrete structure retaining wall |
| CN103485363B (en) * | 2013-10-10 | 2015-09-30 | 海南恒鑫土木工程建设有限公司 | Three-dimensional continuous frame formula reinforced concrete structure retaining wall |
| CN107974876A (en) * | 2017-12-14 | 2018-05-01 | 中铁二院工程集团有限责任公司 | Existing railway increases road construction dike multiline pile earth-retaining construction |
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Application publication date: 20130814 |