CN201158826Y - Earth work grille reinforced retaining wall - Google Patents
Earth work grille reinforced retaining wall Download PDFInfo
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- CN201158826Y CN201158826Y CNU2008200181721U CN200820018172U CN201158826Y CN 201158826 Y CN201158826 Y CN 201158826Y CN U2008200181721 U CNU2008200181721 U CN U2008200181721U CN 200820018172 U CN200820018172 U CN 200820018172U CN 201158826 Y CN201158826 Y CN 201158826Y
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- retaining wall
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- reinforced soil
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Abstract
The utility model discloses a retaining wall, which particularly discloses a geotechnical grille reinforced retaining wall. The geotechnical grille reinforced retaining wall comprises a foundation and a retaining wall body, which is characterized in that the retaining wall body is formed by adopting a geotechnical grille layer and a filling layer which are alternatively compressed, the geotechnical grille layer adopts a one-way geotechnical grille, a lower one-way geotechnical grille adopts a connective bar to be tightly connected with an upper layer, two one-way geotechnical grilles which are opposite on the same layer adopt a connective bar to be oppositely pulled to connect, and a planting earth filling packet or greensward is coated on the wall surface of the retaining wall body. The geotechnical grille reinforced retaining wall prolongs the operational time of an explosive which impacts the retaining wall, thereby solving the absorbing problem of impact energy which can not be solved by a traditional retaining wall, and meanwhile, and secondary destruction can not be generated in the process of blasting. The utility model has the advantages of high height, springing operation, environment protection, low cost and fast construction speed, which has better adaptability to foundation.
Description
(1) technical field
The utility model relates to a kind of retaining wall, particularly a kind of geo-grid reinforced soil retaining wall.
(2) background technology
For a long time, traditional retaining wall generally adopts rigidity and two kinds of flexibilities.Rigid retaining wall is meant the retaining wall that adopts stone-laying and concrete for making, and the design of this class retaining wall is subjected to 10 meters height restriction, and the steel concrete barricade can reach more than ten meters, but involves great expense.Such retaining wall can not be afforested simultaneously, influences environment, and the engineering time is long, and cost is higher relatively, poor seismic behavior.Flexible retaining wall is confined to adopt bar strip to do lacing wire, and its advantage is that cost is low, the engineering time is short, shock resistance is good.Shortcoming is to use time limit weak point, height-limited system, poor stability, can not afforests.
(3) summary of the invention
The utility model is in order to remedy the deficiencies in the prior art, but the greening and environmental protection of a kind of height height, geo-grid reinforced soil retaining wall that cost is low are provided.
The utility model is achieved by the following technical solution:
A kind of geo-grid reinforced soil retaining wall comprises ground and retaining wall body, and its special character is: described retaining wall body adopts geogrids layer and packing layer to replace pressing and forms.
Geo-grid reinforced soil retaining wall of the present utility model, its a kind of implementation is: described geogrids layer adopts unidirectional geo-grid, and the unidirectional geo-grid employing of following one deck pitman is strained with last layer and is connected; The metope of described retaining wall body is enclosed with planting soil filler bag or turf.
Geo-grid reinforced soil retaining wall of the present utility model, its another kind of implementation is: the metope of described retaining wall body adopts the precast module type panel.Be fixed with pre-buried grid in the described precast module type panel, geogrids layer adopts unidirectional geo-grid, and unidirectional geo-grid employing pitman is strained with pre-buried grid and is connected.
Geo-grid reinforced soil retaining wall of the present utility model, described ground comprise the permeable bed course of the rubble of lowermost end with and on two-layer two-way geo-grid, be filled with filler in the two-way geo-grid.The material of described unidirectional geo-grid and pitman is a high density polyethylene (HDPE), and the material of two-way geo-grid is a polypropylene, and filler is soil or rock ballast.
Geo-grid reinforced soil retaining wall of the present utility model: adopt geo-grid reinforcement flexible structure, because the durability of unidirectional high density polyethylene (HDPE) geo-grid, high strength, unique network, determined the superiority of this type of retaining wall.This type of retaining wall can be built to 70 meters height, and it is obvious to reduce construction costs, can afforest metope behind parcel turf or the plantation grass-seed, the engineering life-span can reach 100 years, and stability is good, and speed of application is fast, anti-seismic performance is superior, has exceeded all advantages of former traditional retaining wall.This type of retaining wall has two kinds of design schemes: packaging type reinforced soil retaining wall (greening) and panel type reinforced soil retaining wall (unafforested).
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model packaging type reinforced soil retaining wall;
Fig. 2 is a partial enlarged drawing shown in the A among Fig. 1;
Fig. 3 is the structural representation of the utility model panel type reinforced soil retaining wall;
Fig. 4 is the structural representation of precast module type panel among Fig. 3;
Fig. 5 be among Fig. 4 I-I to generalized section;
Fig. 6 be among Fig. 4 II-II to generalized section.
Among the figure, the permeable bed course of 1 rubble, 2 two-way geo-grid, 3 unidirectional geo-grid, 4 pitmans, 5 planting soil filler bag or turfs, 6 draining pellets, 7 stone pitchings, 8 precast module type panels, 9 pre-buried grids.
(5) specific embodiment
Embodiment 1:
Fig. 1, Fig. 2 are a kind of specific embodiment of the present utility model.This embodiment is packaging type reinforced soil retaining wall (greening), comprise ground and retaining wall body, ground is the permeable bed course 1 of the rubble of lowermost end, the retaining wall body adopts geogrids layer and packing layer to replace pressing and forms, geogrids layer adopts unidirectional geo-grid 3, the unidirectional geo-grid of following one deck 3 adopts pitman 4 to strain with last layer to be connected, the metope of retaining wall body is enclosed with planting soil filler bag or turf 5, one side of retaining wall body is equipped with draining pellet 6 from top to down, and the peripheral bottom of retaining wall body is a stone pitching 7.The material of unidirectional geo-grid 3 and pitman 4 is a high density polyethylene (HDPE), and filler is soil or rock ballast.
The packaging type structure is an example with Hubei portion reinforced soil retaining wall engineering: adopt geo-grid reinforcement anti-package flexible structure.After design software calculates, satisfy under the stable case, determined reinforcement material model, drawing rib length.Bottom is completely spread unidirectional grid, metope parcel planting soil, and the outside is laid turf and is carried out the body of wall greening, and every layer is carried out compacting by design thickness behind the filling compaction.Adopt that mechanical ramming is no less than three times more than 20 tons, adopt hand compaction in 1.5 meters of the metopes.Begin interlayer from the second layer and adopt pitman to be connected and strain, wrap up planting soil, laying turf, filling compaction again, until absolute altitude with last layer.Compacting after last one deck geo-grid anti-package.
Packaging type reinforced soil retaining wall construction sequence is as follows:
(1) measures setting-out: ground line is measured setting-out on the ground.
(2) slot by the setting-out position, the fluting smooth bottom land in back is also laid bed course.
(3) by the two-way geo-grid of designing requirement cutting, grid cutting length is bottom land width+2 meter anti-package length.
When (4) laying the two-way grid of first floor grid is placed on the good blinding layer of compacting.
(5) with the mode of vertically toppling over filler is poured on the grid that lays.The filler that machinery will be toppled over is smooth, and every layer of backfill thickness is by the designing requirement THICKNESS CONTROL after the compacting.
(6) lay the two-way geo-grid of the second layer, repeat above-mentioned steps.
(7) after the basis is carried out, carry out the measurement setting-out of wall surface line, and the barricade wall surface line is hung up properly.
(8) by the unidirectional grid of designing requirement cutting, grid cutting length is anchor Design length+every layer of grid distance+anti-package length.
When (9) laying the unidirectional geo-grid of first floor grid is placed on the good ground of compacting, the grid length direction is perpendicular to metope, and the anti-package length of reserving is partly placed beyond the wall line.
(10) with the mode of vertically toppling over filler is poured on the grid that lays.The filler that machinery will be toppled over is smooth, and every layer of backfill thickness is by the designing requirement THICKNESS CONTROL after the compacting.
(11) planting soil is repaired neatly by body of wall informant worker.
(12) adopt hand compaction near in 1.5 meters of metope during compacting, with the mechanical ramming that is not less than 20 tons, compacting is no less than three times away from the filler of metope.
(13) lay before the unidirectional geo-grid of the second layer, lay turf, the second layer geo-grid that is about to cut of existing side by side is connected with the first floor geo-grid with pitman, the vertical connection of grid must be to connect fully, and making the grid of tension keep tightening fixing state with anchoring rods, maintenance is in time carried out to the turf of metope in the construction every day back that finishes.
(14) continue the backfill of one deck down, repeat above operational procedure and push up until the slope.
(15) below the 30cm, imbed end length and must not be less than 2.0 meters during the top layer anti-package grid of coming is embedded in and bankets.
(16) machinery leaves down it from the top or adopts 120 tons of loop wheel machines that it is hung down after the compacting of retaining wall upper flat.
(17) construction should in time water after finishing, finishing and maintenance.
Embodiment 2:
Fig. 3 to Fig. 6 is a kind of specific embodiment of the present utility model.This embodiment is panel type reinforced soil retaining wall (unafforested), comprises ground and retaining wall body, ground comprise the permeable bed course 1 of the rubble of lowermost end with and on two-layer two-way geo-grid 2, be filled with filler in the two-way geo-grid 2; The retaining wall body adopts geogrids layer and packing layer to replace pressing and forms, and the metope of retaining wall body adopts precast module type panel 8; Be fixed with pre-buried grid 9 in the precast module type panel 8, geogrids layer adopts unidirectional geo-grid 3, and unidirectional geo-grid 3 employing pitmans 4 are strained with pre-buried grid 9 and are connected; The material of unidirectional geo-grid 3 and pitman 4 is a high density polyethylene (HDPE), and the material of two-way geo-grid 2 is a polypropylene, and filler is soil or rock ballast.
The panel type structure is an example with Fujian portion reinforced soil retaining wall engineering: at first adopt concrete prefabricated modular panel, in prefabricated progressive die piece after the geo-grid cutting.During construction, module is puzzled on request, filler is filled to the position compacting of prefabricated grid, adopts the mechanical ramming more than 20 tons to be no less than three times, adopts hand compaction in 1.5 meters of the metopes.To be connected on the prefabricated grid of concrete slab, strain and fill filler to lower floor prefabricated grid position, compacting with pitman by the geo-grid that design length cuts, repetitive operation is to design height.
Panel type reinforced soil retaining wall construction sequence is as follows:
(1) the prefabricated processing step of panel module:
1) template construct: the position of considering the module rebate during stencil design accurately reaches presentation quality, and front (body of wall exposed parts) is downward; Also should consider to be convenient in demoulding, should design opening device.
2) prefabricated grid link block: the prefabricated connection grid of half module, specifically see Fig. 4-Fig. 6.
3) concrete proportioning: for satisfying the mesh requirement of wedging grid, the maximum coarse fodder particle diameter of concrete is 0.5 ~ 2cm, and design proportioning intensity need reach designing requirement.
4) concrete modular pouring construction
1. in brushing the mould that release agent assembles, pack concrete into to grid preformed groove bottom;
2. with the vibrating head jolt ramming of mould inner concrete;
3. with fixing in the grid insertion mould that cuts, in order to avoid shake is subjected to displacement when smashing;
4. with concrete mould is filled it up with;
5. once more with the whole jolt ramming of concrete;
6. treat back demoulding health on the concrete strength.
(2) processing step of retaining wall construction:
1) measures unwrapping wire: slot the smooth bottom land in fluting back by the setting-out position.
2) after the basis is put in order, the permeable material of backfill rubble, and lay two-layer two-way geo-grid by designing requirement, and carry out based process, when laying, two-way geo-grid to carry out anti-package, and anti-package length is 2 meters; Will overlap when laying the above two-way geo-grid of two width of cloth, lap width is 30cm.
3) should be again before building the barricade basis enlarge accurately to measure on the basis and emit the module basis line at grid.
4) base concrete is built: by designing requirement poured in place concrete barricade basis, and guarantee that basic preformed groove satisfies the module masonry requirement, suitably widens in curved portion; The status requirement of settlement joint is accurate.
5) module masonry: module answers hanging wire to build by laying bricks or stones with mortar, builds each face of front module contact mortar by laying bricks or stones and uses water-wet.
6) module begins the connection and the backfill engineering construction within the walls of unidirectional grid after building 12 hours by laying bricks or stones, should build by laying bricks or stones stage by stage when body of wall is higher.
7) by designing requirement cutting grid, grid cutting length is design grid length.
When 8) laying the first floor grid grid is placed on the good backfill of compacting, the grid length direction is perpendicular to metope, and is connected with module reservation grid with pitman, grid strained fixed with anchoring rods.
9) with the mode of vertically toppling over filler is poured on the grid that lays.
10) filler that will topple over of machinery is smooth, and every layer of backfill thickness is by the designing requirement THICKNESS CONTROL after the compacting.
11) use hand compaction near in 1.5 meters of metope during compacting, be no less than 20 tons mechanical ramming away from the filler usefulness of metope.
12) continue the backfill of one deck down, repeat above operational procedure and push up until the slope.
13) after the top construction finished, machinery left down voluntarily or adopts 120 tons of cranes to hang down.
Claims (7)
1. a geo-grid reinforced soil retaining wall comprises ground and retaining wall body, it is characterized in that: described retaining wall body adopts geogrids layer and packing layer to replace pressing and forms.
2. geo-grid reinforced soil retaining wall according to claim 1 is characterized in that: described geogrids layer adopts unidirectional geo-grid, and the unidirectional geo-grid employing of following one deck pitman is strained with last layer and is connected.
3. geo-grid reinforced soil retaining wall according to claim 2 is characterized in that: the metope of described retaining wall body is enclosed with planting soil filler bag or turf.
4. geo-grid reinforced soil retaining wall according to claim 1 is characterized in that: the metope of described retaining wall body adopts the precast module type panel.
5. geo-grid reinforced soil retaining wall according to claim 4, it is characterized in that: be fixed with pre-buried grid in the described precast module type panel, geogrids layer adopts unidirectional geo-grid, and unidirectional geo-grid employing pitman is strained with pre-buried grid and is connected.
6. according to each described geo-grid reinforced soil retaining wall of claim 1 to 5, it is characterized in that: described ground comprise the permeable bed course of the rubble of lowermost end with and on two-layer two-way geo-grid, be filled with filler in the two-way geo-grid.
7. geo-grid reinforced soil retaining wall according to claim 6 is characterized in that: the material of described unidirectional geo-grid and pitman is a high density polyethylene (HDPE), and the material of two-way geo-grid is a polypropylene, and filler is soil or rock ballast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200181721U CN201158826Y (en) | 2008-02-25 | 2008-02-25 | Earth work grille reinforced retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200181721U CN201158826Y (en) | 2008-02-25 | 2008-02-25 | Earth work grille reinforced retaining wall |
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| CN201158826Y true CN201158826Y (en) | 2008-12-03 |
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| CNU2008200181721U Expired - Fee Related CN201158826Y (en) | 2008-02-25 | 2008-02-25 | Earth work grille reinforced retaining wall |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892675A (en) * | 2010-06-29 | 2010-11-24 | 长安大学 | Flexible retaining wall with rigid support |
| CN101787707B (en) * | 2010-02-04 | 2011-09-21 | 湖南省交通规划勘察设计院 | Composite reinforced gabion retaining wall and construction method thereof |
| CN102535476A (en) * | 2010-12-27 | 2012-07-04 | 上海勘测设计研究院 | Method for reducing side load influence |
| CN102535512A (en) * | 2012-02-02 | 2012-07-04 | 石家庄铁道大学 | Geogrid reinforcement lime soil retaining wall and construction method thereof |
| CN102704498A (en) * | 2012-05-31 | 2012-10-03 | 中冶集团武汉勘察研究院有限公司 | Technology for processing soil filled slope by combining geogrids and concrete panels |
| CN104005370A (en) * | 2013-05-16 | 2014-08-27 | 水利部交通运输部国家能源局南京水利科学研究院 | Reinforced soil light revetment retaining wall for hollow brick ecological surface cover and construction method thereof |
| CN106760577A (en) * | 2016-12-30 | 2017-05-31 | 青岛旭域土工材料股份有限公司 | Frame module formula Polymer Geogrids Reinforced Earth safeguard structure and its construction method |
| CN107700523A (en) * | 2017-09-26 | 2018-02-16 | 福州市规划设计研究院 | The prefabricated drainage system and construction method for facing upward inclined retaining wall |
| CN108330993A (en) * | 2018-04-16 | 2018-07-27 | 中冶（贵州）建设投资发展有限公司 | A kind of rock-fall proof flexible ecological earth embankment and its construction method |
| CN113668598A (en) * | 2020-05-14 | 2021-11-19 | 中冶南方城市建设工程技术有限公司 | Green reinforced earth retaining wall structure and construction method |
-
2008
- 2008-02-25 CN CNU2008200181721U patent/CN201158826Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787707B (en) * | 2010-02-04 | 2011-09-21 | 湖南省交通规划勘察设计院 | Composite reinforced gabion retaining wall and construction method thereof |
| CN101892675A (en) * | 2010-06-29 | 2010-11-24 | 长安大学 | Flexible retaining wall with rigid support |
| CN102535476A (en) * | 2010-12-27 | 2012-07-04 | 上海勘测设计研究院 | Method for reducing side load influence |
| CN102535476B (en) * | 2010-12-27 | 2014-06-18 | 上海勘测设计研究院 | Method for reducing side load influence |
| CN102535512A (en) * | 2012-02-02 | 2012-07-04 | 石家庄铁道大学 | Geogrid reinforcement lime soil retaining wall and construction method thereof |
| CN102704498A (en) * | 2012-05-31 | 2012-10-03 | 中冶集团武汉勘察研究院有限公司 | Technology for processing soil filled slope by combining geogrids and concrete panels |
| CN104005370A (en) * | 2013-05-16 | 2014-08-27 | 水利部交通运输部国家能源局南京水利科学研究院 | Reinforced soil light revetment retaining wall for hollow brick ecological surface cover and construction method thereof |
| CN104005370B (en) * | 2013-05-16 | 2015-12-23 | 水利部交通运输部国家能源局南京水利科学研究院 | The reinforced earth lightweight revetment barricade of the ecological mask of building-block and construction method thereof |
| CN106760577A (en) * | 2016-12-30 | 2017-05-31 | 青岛旭域土工材料股份有限公司 | Frame module formula Polymer Geogrids Reinforced Earth safeguard structure and its construction method |
| CN107700523A (en) * | 2017-09-26 | 2018-02-16 | 福州市规划设计研究院 | The prefabricated drainage system and construction method for facing upward inclined retaining wall |
| CN108330993A (en) * | 2018-04-16 | 2018-07-27 | 中冶（贵州）建设投资发展有限公司 | A kind of rock-fall proof flexible ecological earth embankment and its construction method |
| CN113668598A (en) * | 2020-05-14 | 2021-11-19 | 中冶南方城市建设工程技术有限公司 | Green reinforced earth retaining wall structure and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Qingdao BOSTD Geosynthetics Ltd. Assignor: Shandong Weifengda Construction Engineering Co., Ltd. Contract fulfillment period: 2009.6.1 to 2014.6.1 Contract record no.: 2009370000250 Denomination of utility model: Earth work grille reinforced retaining wall Granted publication date: 20081203 License type: Exclusive license Record date: 20090824 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.6.1 TO 2014.6.1; CHANGE OF CONTRACT Name of requester: QINGDAO XUYU GEOTECHNIQUE MATERIAL CO., LTD. Effective date: 20090824 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 Termination date: 20160225 |