CN214089688U - A kind of concrete slope retaining wall structure of reservoir side slope - Google Patents
A kind of concrete slope retaining wall structure of reservoir side slope Download PDFInfo
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- CN214089688U CN214089688U CN202022174193.6U CN202022174193U CN214089688U CN 214089688 U CN214089688 U CN 214089688U CN 202022174193 U CN202022174193 U CN 202022174193U CN 214089688 U CN214089688 U CN 214089688U
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Abstract
本实用新型提供了一种水库边坡混凝土贴坡式挡墙结构，包括设置在开挖坡面上的贴坡式挡墙，所述开挖坡面上设置浅层排水孔和深层排水孔，且浅层排水孔和深层排水孔贯通贴坡式挡墙，浅层排水孔设置在库水位频繁变化区域附近，深层排水孔布置于正常蓄水位以上并深入开挖坡面内部，开挖坡面和贴坡式挡墙之间布置多排锚筋或锚筋桩；本实用新型适用于边坡覆盖层及全强风化层突变且水位频繁涨落的水库边坡，能提高土质边坡的稳定性。
The utility model provides a slope-attached retaining wall structure of a concrete slope of a reservoir, which comprises a slope-attached retaining wall arranged on an excavation slope surface, and a shallow drainage hole and a deep drainage hole are arranged on the excavation slope surface. In addition, the shallow drainage holes and the deep drainage holes pass through the slope-mounted retaining wall, the shallow drainage holes are arranged near the area where the water level of the reservoir frequently changes, and the deep drainage holes are arranged above the normal water level and go deep into the excavation slope. Multiple rows of anchor bars or anchor bar piles are arranged between the surface and the slope-attached retaining wall; the utility model is suitable for the slope covering layer and the full-strength weathered layer sudden change and the water level frequently fluctuates. stability.
Description
Technical Field
The utility model relates to a water conservancy and hydropower technical field, concretely relates to reservoir side slope concrete pastes slope formula barricade structure.
Background
In the process of excavating a slope in water conservancy and hydropower engineering, the conditions of uneven weathering distribution of a local slope covering layer and a full-strength weathering layer groove often exist. The commonly adopted supporting method is slope cutting and load reduction, and a surface sash beam supporting system is additionally arranged; however, the scheme has the advantages of large excavation range, large occupied space and long construction period, and under the action of sudden heavy rain or increased load above the sudden heavy rain, the dead weight of the side slope is increased, and collapse deformation or arc-shaped sliding deformation is easy to occur, so that the side slope is unstable. Under the limited circumstances in place space, adopt and paste sloping formula concrete barricade to carry out reinforcement treatment to the soil property side slope, the advantage of this kind of form lies in both having shortened construction period, has promoted domatic holistic stability and the ability of preventing washing scour protection again, but pastes sloping formula barricade itself and stablizes the slope less, and domatic whole unstability is aroused by the side slope itself, pastes sloping formula barricade and takes place to slide together with the side slope easily. In addition, the back filling soil of the slope retaining wall is gradually taken away due to hydraulic elutriation and infiltration, so that a cavity is easily formed, and the panel is laterally collapsed and overturned.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reservoir side slope concrete pastes slope formula barricade structure, the utility model is suitable for a side slope overburden and the reservoir side slope that changes and the frequent rise and fall of water level of full strong weathering layer can improve the stability of soil slope.
Therefore, the utility model adopts the following technical scheme:
the utility model provides a reservoir side slope concrete pastes sloping formula retaining wall structure which characterized in that: including setting up the slope formula barricade of pasting on excavation is domatic, set up shallow layer wash port and deep wash port on the excavation is domatic, and shallow layer wash port and deep wash port link up and paste the slope formula barricade, and the shallow layer wash port sets up near frequent change region of storehouse water level, and deep wash port arranges in more than normal retaining position and go deep into the slope surface inside of excavation, excavates and arranges multirow dowel or dowel stake between domatic and the slope formula barricade of pasting.
Further: and drain pipes are embedded in the shallow drain holes and the deep drain holes.
Further: the slope type retaining walls are poured in stages, structural joints are arranged between the slope type retaining walls poured in different stages, and high-density polyethylene closed-cell foam boards are filled in the structural joints.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model is suitable for a reservoir side slope that abrupt change of side slope overburden and full strong weathering layer and water level frequently rise and fall, simple structure, construction convenience, construction cycle are short, have both promoted domatic holistic stability and have prevented washing scour protection ability, have improved the antidumping ability of pasting slope formula barricade simultaneously greatly, have promoted overall structure's stability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figures are: 1-sticking a slope type retaining wall; 2-shallow layer drain hole; 3-deep drainage hole; 4-anchor bars or anchor bar piles; 5-retaining wall foundation; and 6, excavating a slope.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
As shown in fig. 1, the utility model provides a pair of reservoir side slope concrete pastes slope formula retaining wall structure, including setting up the slope formula retaining wall 1 that pastes on excavating domatic 6, set up shallow wash port 2 and deep wash port 3 on excavating domatic 6, and shallow wash port 2 and deep wash port 3 link up and paste slope formula retaining wall 1, and shallow wash port 2 sets up near reservoir water level frequent change region, and deep wash port 3 arranges in normal retaining position above and deeply excavate domatic 6 insides. Excavation is domatic 6 and is pasted and arrange multirow anchor bar or anchor bar stake 4 between the sloping formula barricade 1, sets up multirow anchor bar or anchor bar stake 4 and can make and paste slope formula barricade 1 and excavation and form effectual being connected between domatic 6 when improving domatic stability to overall structure's stability has been improved.
Shallow layer wash port 2 sets up on the superficial layer surface of excavation domatic 6, and shallow layer wash port 2 is used for the infiltration of drainage soil body top layer and basement rock crack under the abrupt decline operating mode of water level, and deep wash port 3 is used for under the torrential rain operating mode, reduces the groundwater level of upper portion massif rapidly, improves 1 anti-skidding stability of subsides formula barricade, the stable factor of safety of antidumping, 2 multirow settings of shallow layer wash port, every row sets up a plurality ofly, and 3 single rows of deep wash port set up.
Shallow layer wash port 2 and deep layer wash port 3 all pre-buried drain pipe, and the drain pipe adopts the PE drain pipe, and the drain pipe leans on in the slope section for the floral tube setting, carries out the processing of outsourcing geotechnological cloth in the outside of floral tube, reaches the purpose that prevents groundwater and river course rivers and erode and take away the fine granule of filling soil behind the wall.
The slope retaining wall 1 is cast by concrete.
Equidistant arrangement structure seam between the panel, the structural joint is filled with high density polyethylene obturator cystosepiment, can avoid appearing making the concrete surface of formula barricade 1 that pastes the cracked condition because of temperature variation, concrete shrinkage futilely and ground subsides, the effectual rivers pulsation pressure that prevents transmits to the back of the wall.
The construction step of the slope retaining wall structure is as follows:
on the premise that the space of a field allows, slope cutting treatment is carried out on the reservoir side slope, the retaining wall foundation 5 is required to be cleaned to the surface of a foundation rock, then shallow layer drain holes 2 and deep layer drain holes 3 with elevation angles and system anchor bars or anchor bar piles 4 perpendicular to the slope surface are arranged on the reservoir side slope after slope cutting, drain pipes are pre-buried in the shallow layer drain holes 2 and the deep layer drain holes 3, and the drain pipes are wrapped with geotextile at the slope section of the reservoir side slope.
And (3) concrete pouring of the slope retaining wall 1 is carried out, and a cabin jumping pouring mode can be adopted during pouring, so that the hardening shrinkage of the concrete mixture is reduced. And a structural joint is arranged between the slope retaining walls poured at different periods, and a high-density polyethylene closed-cell foam board is filled in the structural joint.
The above embodiments are merely preferred technical solutions of the present invention, and it should be understood by those skilled in the art that modifications or substitutions of technical solutions or parameters in the embodiments can be made without departing from the principles and essential conditions of the present invention, and all the modifications or substitutions should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a reservoir side slope concrete pastes sloping formula retaining wall structure which characterized in that: including setting up the slope formula barricade of pasting on excavation is domatic, set up shallow layer wash port and deep wash port on the excavation is domatic, and shallow layer wash port and deep wash port link up and paste the slope formula barricade, and the shallow layer wash port sets up near frequent change region of storehouse water level, and deep wash port arranges in more than normal retaining position and go deep into the slope surface inside of excavation, excavates and arranges multirow dowel or dowel stake between domatic and the slope formula barricade of pasting.
2. The reservoir slope concrete slope retaining wall structure according to claim 1, characterized in that: and drain pipes are embedded in the shallow drain holes and the deep drain holes.
3. The reservoir slope concrete slope retaining wall structure according to claim 1, characterized in that: the slope type retaining walls are poured in stages, structural joints are arranged between the slope type retaining walls poured in different stages, and high-density polyethylene closed-cell foam boards are filled in the structural joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022174193.6U CN214089688U (en) | 2020-09-28 | 2020-09-28 | A kind of concrete slope retaining wall structure of reservoir side slope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022174193.6U CN214089688U (en) | 2020-09-28 | 2020-09-28 | A kind of concrete slope retaining wall structure of reservoir side slope |
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| CN214089688U true CN214089688U (en) | 2021-08-31 |
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| CN202022174193.6U Active CN214089688U (en) | 2020-09-28 | 2020-09-28 | A kind of concrete slope retaining wall structure of reservoir side slope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116971413A (en) * | 2023-07-20 | 2023-10-31 | 中海建筑有限公司 | An emergency joint reinforcement construction method and reinforcement system for retaining walls |
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2020
- 2020-09-28 CN CN202022174193.6U patent/CN214089688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116971413A (en) * | 2023-07-20 | 2023-10-31 | 中海建筑有限公司 | An emergency joint reinforcement construction method and reinforcement system for retaining walls |
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