CN1209535C - Plastic and earth-work combined retaining wall - Google Patents
Plastic and earth-work combined retaining wall Download PDFInfo
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- CN1209535C CN1209535C CN 02159291 CN02159291A CN1209535C CN 1209535 C CN1209535 C CN 1209535C CN 02159291 CN02159291 CN 02159291 CN 02159291 A CN02159291 A CN 02159291A CN 1209535 C CN1209535 C CN 1209535C
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Abstract
The present invention discloses a plastic and earth-work combined retaining wall which is composed of wall units, each wall unit is composed of a plastic inner wall plate, an outer wall plate, and partition plates, wherein the partition plates are transversely arranged between the inner wall plate and the outer wall plate at intervals, both ends of each wall unit are provided with connecting pieces which are used for that the wall unit is transversely and longitudinally connected with the adjacent wall units, wherein the lower parts of the wall units connected with ground surface are provided with firm pieces; the wall units are combined into different wall structures, the hollow part of the wall can be filled and tamped with sandy earth, crushed stone, etc., and the stable wall structure is formed. The present invention can set the wall height as required, the wall with large height and width can be made, and the wall surfaces are plane surfaces; as the wall face plate has certain flexibility, the wall can made into a straight surface wall and can also be made into an arc-shaped wall with certain curve degree, and the retaining wall units of the present invention can be combined into the wall with required length and a required shape, the present invention has the characteristics of strong integrity, etc. The present invention has the advantages of simple manufacture, material saving and low cost, in soft foundations, the present invention can not make the ground surface to sink; when the present invention is used as the protection wall of a steep slope, the present invention has more advantages.
Description
Technical field: the invention belongs to the geosynthetics technical field, be specifically related to a kind of plastics geotechnique combined type shelves cob wall.
Background technology: in geotechnical engineering, build permanent retaining wall, generally select for use rigid materials such as stone material, fragment of brick to pile up and form.Build provisional retaining wall, the small dike on the river bank that reinforces when the interim blindage of using as military engineering, flood fighting, the general gunnysack that adopts is inserted sandy soil, pile up the body of wall that forms, because the method is being banketed and is being piled up in the process, can not use facility to speed walling speed, not connect between each gunnysack after piling up simultaneously, integrality of wall is poor.
Geosynthetics is widely used in the geotechnical engineering at present, often uses geo-grid and composite wire-lacing band to cooperate the rigid wall flooring to form reliable earth structure retaining wall in the retaining wall engineering.3 D stereo geosynthetics geotechnical grid is extensive use of in geotechnical engineering in recent years, and in engineering, demonstrate good characteristic, being called " enhancing cell material " publication number as name is the patent of CN1092356A, it is a kind of cell material structure in order to confined concrete and geotechnological material, it has a plurality of plastic tapes, the face of these a plurality of belts bonds together on adhesion zone mutually abreast, these adhesion zone from a belt to another belt interlaced arrangement, belt is launched to form a plurality of stereoscopic grids along the belt vertical plane, porose on the belt, reinforcement penetrates in this hole; And for example to be called " compound fabric type perforate plastic geocell " publication number be the patent of CN2305431 to name.This utility model is the synthetic textiles that is compounded with one deck porous at the porose frosting of forming the lattice chamber, again with the staggered in twos Face to face welding of this sheet material, when stretching, can form the boxwork structure, therefore use geotechnical grid to become inevitable as the exploration of retaining structure material.Use geotechnical grid at the building temporary building, its advantage is: building speed is fast, reliable in structure.And in the practical study discovery, geotechnical grid is feasible as the materials for wall of blindage, after with geotechnical grid expansion from level to level, inserts sandy soil and after interlayer carries out necessary connection, can form the stronger body of wall of a globality.
Can be suitable when in the geotechnical grid that launches, banketing by means of construction equipment, so speed is faster than the mode of gunnysack walling.But when using, reality finds that using geotechnical grid to build provisional retaining wall exists following problem:
When (1) filling thing and be sand, last interlayer must be piled up by inside wrong certain distance, otherwise the sand of inserting the upper strata easily slips out from the seam of interlayer because the straggly of interlayer pile up, must form down big little body of wall.Because this body of wall shape will influence the installation of blindage protected apron, body of wall earth volume simultaneously more unanimous between the higher and lower levels is big.
(2) height of geotechnical grid interlayer is limited, generally highly is 0.2～0.4 meter, also has the connectivity problem of interlayer simultaneously.
(3) overlooking section after the expansion is waveform, and this shape also is unfavorable for further installing other protective materials when using as military blindage.
When the experimental project of using geotechnical grid to build permanent formula retaining wall, also find similar problem.It shows as:
(1) because the height of worker's lattice chamber interlayer is limited, slip out from the seam of interlayer for preventing to insert the upper strata indoor filler of geotechnique's lattice simultaneously, therefore essential straggly piling up can only be built the abrupt slope engineering of delaying like this.
(2) because straggly piling up ensures again that simultaneously certain gradient brought difficulty to construction.
(3) owing to will ensure certain gradient, width straggly is very limited, and when rainy season, the embankment of upper strata geotechnical grid is flowed out from interlayer with rainwater easily.
In the prior art, the plastics wall has various structures, and as patent announcement number: CN2405984, the day for announcing is a kind of Plastic combined brick-wall on November 15th, 2000, comprise chassis, hollow brick and loam cake, have protruding frame on the chassis, be provided with embeded slot between protruding frame, the hollow brick upper side is provided with protruding frame, form embeded slot between protruding frame, its sidewall is embedded in the embeded slot on chassis, and this loam cake below is the opening shape, and its sidewall is embedded in the embeded slot of hollow brick.And for example application number is: 86201788, and denomination of invention is the assembly type plastics wall of checking winds and fixing drifting sand, this assembly type plastics wall of checking winds and fixing drifting sand is provided with the balance pipe of symmetry, anti-buried via hole, screw fixing hole and reinforcing rib.The plastics wall is assembled and is formed by body of wall, wall base and " towering shape " holddown groove respectively.Though this plastics wall has the effect of checking winds and fixing drifting sand, can not be used for the abrupt slope and reinforce, there is the moulding complexity in general plastics wall, cost height, the narrow deficiency that waits of application surface.
Summary of the invention: the invention provides a kind of plastics geotechnique combined type shelves cob wall, combine by wall element, each wall element is by plastics inner wall panel, side fascia, and dividing plate constitutes, dividing plate is horizontally arranged at interval between inside and outside wall board, the two ends of unit body of wall are provided with and face the horizontal and vertical continuous connector of wall element mutually, and the wall element bottom that wherein links to each other with ground is provided with firm, and the unit body of wall connects into different wall body structures.
The dividing plate that is horizontally arranged at interval between inside and outside wall board can be fixedlyed connected with inside and outside wall board, and the termination of dividing plate is provided with the brace that increases solder side when fixedly connected; The also movable connection of dividing plate, during flexible connection, slot is set between inside and outside wall board, dividing plate is inserted in the slot, or be provided with and be in the hinge connection, the termination of dividing plate is provided with the corresponding connection of hinge of hinge and inside and outside wall board inboard, fix with long bolt, dividing plate type of attachment between the wallboard can be the flexible connection of various ways in a word, is not limited thereto two kinds of methods.
Wall element is generally made and is grown up 1～40 meter, wide 0.1～2 meter, height is 0.3～3 meter a unit body of wall, preferred length is 2 meters～5 meters, wide is 0.2～0.6 meter, height is 0.5～2 meter, and the plastic plate of the body of wall that is used to make is generally selected polyethylene or polypropylene material for use, is preferably modifier plastic materials such as adding antioxidant, light stabilizer or fire retardant.
Plastics geotechniques combined retaining wall can be processed by several different methods, and the existing method of introducing is two kinds of processing molding methods wherein.
Forming method when the dividing plate in A, the unit body of wall flexibly connects:
1. extrude the shingle nail length and width of required wall element with extruder, thick desired plastic sheet.
2. the connector with clapboard end is tiled in respectively in the groove of jig.
3. the shingle nail of top laying extrusion molding.
4. with ultra-sonic welded shingle nail and connector are welded together.
5. extrusion molding dividing plate length and width, thick desired plastic sheet.
6. on dividing plate, be welded to connect part.
7. with the corresponding connection of shingle nail upper connector, insert connecting pin and connect with the dividing plate upper connector.
Forming method when the dividing plate in B, the unit body of wall is fixedly connected:
1. first extrusion molding shingle nail length and width, thick desired plastic sheet.
2. lay dividing plate by distance, re-lay shingle nail.
3. with ultra-sonic welded shingle nail plastic sheet and dividing plate are welded together.
Plastics geotechniques combined retaining wall advantage is: the present invention has the body of wall height is set as required, especially can affected height and the bigger body of wall of width, the wall surface is the plane, because shingle nail can have certain flexibility, body of wall can be to face directly and also can be made into the curved wall that has certain curved surface, has characteristics such as globality is strong.Solved the problem that can not reach a certain height of existing geotechnical grid, simplify the structure of product simultaneously, and the synthetic retaining wall unit combination of geotechnique can be become required length and different shapes, especially in soft foundation, with heavy stone material walling, can cause the ground lower limit, and the present invention has overcome this deficiency owing to adopt the interior folder of the plastics body of wall sandy soil structure of light weight, and materials are economized, moulding is simple, uses the advantage that has more in the protection of abrupt slope.
Description of drawings:
Fig. 1 is a plastics geotechnique combined type shelves cob wall wall element structural representation
Fig. 2 is the clapboard end hinge arrangement schematic diagram of wall element
Fig. 3 is the shingle nail hinge arrangement schematic diagram of wall element
Fig. 4 is dividing plate structural representation when being connected with the shingle nail hinge
Fig. 5 is dividing plate and shingle nail slot connection diagram
Fig. 6 is that plastics geotechnique combined type shelves cob wall insertion slot type connects the wall element structural representation
Fig. 7 is used for the blindage structural representation for a kind of combined plastic shelves cob wall of form
Fig. 8 is used for abrupt slope construction of prevention work schematic diagram for a kind of plastics combined type shelves cob wall of form
Fig. 9 is a kind of plastics combined type shelves cob wall schematic diagram of form
Figure 10 is the direct welding connection structure schematic diagram of dividing plate and shingle nail
The specific embodiment:
With reference to the accompanying drawings the present invention is specified, but the present invention is not limited to this.
As shown in Figure 1, to add fire retardant, the high-density polyethylene resin of antioxidant and light stabilizer, is 10 meters through extruder for shaping for length, thick is 0.02 meter, height is 1.2 meters inner wall panel 2 and an exterior wall panel 1, and height is 1.2 meters, wide is 1 meter, thick is 0.02 meter dividing plate 3, spacer width is the width of wall element, 0.8 meter at dividing plate interval is welded between the inside and outside shingle nail, as shown in Figure 5, also can be as Fig. 2, Fig. 3, shown in Figure 4, connect with hinge, the dividing plate two ends are provided with hinge 7, be connected with the inboard corresponding hinge 8 of shingle nail, with getting final product in the long bolt insertion pan, or as Fig. 5, shown in Figure 6ly connect with the slot mode, shingle nail medial surface and dividing plate connecting portion are provided with slot 14, clapboard end shape and slot are complementary, dividing plate is inserted slot can be coupled together, and cavity according to circumstances adds soil in body of wall, husky, cement or rubble 10, compacting promptly forms firm wall body structure, wall element 9 by transverse connection 6 and vertically connector 4 connect into the length and the shape of required body of wall, can form as Fig. 7, Fig. 8, the wall body structure of multiple shape such as Fig. 9.
When wall element surrounds the military blindage of sealing, by connection shown in Figure 7, wall element 9 is passed through vertical connector 4, wall element is connected into the length that needs, by wall element 9 transverse connections wall element is vertically connected again, surround enclosed construction by connecting in length and breadth like this, also can add lamina tecti 13 at the body of wall top, interior wall face be provided with two rows connect exterior trims or outside the hanging hole 5 of protector, can be connected with protected apron 12 by hanging hole 5, body of wall is fixedlyed connected with ground by inserting as the fastener hole 15 of body of wall bottom with long bolt with ground, at last with sand, soil, rubble or cement insert wherein compacting, form robust structure.
The job practices of the synthetic barricade of geotechnique:
The method of plane construction
A. dig on ground one with a shelves cob wall bottom surface shallow slot of the same area.
B. retaining wall longitudinal wall unit and longitudinal wall unit couple together by connector.
C. can be at blindage the place ahead laying and hanging ornamental or protective unit.
D. in the synthetic barricade of geotechnique, banket, filler such as sand, note answering the limit to fill out and add the limit compacting.
When shelves cob wall of the present invention is used for the abrupt slope protection, as shown in Figure 8, after shelves cob wall and the ground of lower floor fixed, add real cavity with sandy soil, the connector of the exterior wall panel bottom surface of the shelves cob wall on upper strata is linked to each other with the connector of the inner wall panel on lower floor top, connector can be with hinge or the connection of slot form, pile up so layer by layer, form abrupt slope protection body of wall, also can be used, form more firm safeguard structure with geotechnical grid 11 at the medial surface of body of wall.
The concrete job practices of abrupt slope shelves cob wall
A. dig on ground one with a shelves cob wall bottom surface shallow slot of the same area.
B. with wall element mutually with coupling together, put into shallow slot.
C. in retaining wall, banket, note answering while banketing compacting.
D. the retaining wall bottom is connected with reinforcement material (generally selecting geotechnical grid for use), and reinforcement material extends to the inside.
E. there is the position of reinforcement material to banket to the retaining wall back, and compacting.
F. middle and upper part after reinforced earth is filled to retaining wall is connected banket back and compacting with reinforcement material and its are effective again.
G. when reinforced earth was filled to the synthetic barricade upper back of geotechnique approximately to the top, the top inner wall panel that first group of geotechnique synthesized barricade was connected with the exterior wall panel bottom of second group of retaining wall.
H. repeat the C-G step then,, form abrupt slope shelves cob wall safeguard structure the stack that interlaces layer by layer of shelves cob wall.
Claims (7)
1, a kind of plastics geotechnique combined type shelves cob wall, it is characterized in that: combine by wall element, each wall element is by plastics inner wall panel, side fascia, and dividing plate constitutes, dividing plate is horizontally arranged at interval between inside and outside wall board, the two ends of unit body of wall are provided with and face the horizontal and vertical continuous connector of wall element mutually, and the wall element bottom that wherein links to each other with ground is provided with firm, and the unit body of wall connects into different wall body structures.
2, shelves cob wall according to claim 1, the length that it is characterized in that wall element is 1～40 meter, and wide is 0.1～2 meter, and height is 0.3～3 meter a unit wall element.
3, shelves cob wall according to claim 2 is characterized in that wall element is that polyethylene or the polypropylene material that adds antioxidant, light stabilizer or fire retardant made.
4, shelves cob wall according to claim 1 is characterized in that the dividing plate of described wall element directly is welded between the inside and outside wall board.
5, shelves according to claim 1 cob wall, the dividing plate that it is characterized in that described wall element is with hinge or slot and inside and outside wall board flexible connection.
6, shelves cob wall according to claim 1 is characterized in that the wall side of grade cob wall is provided with hanging hole, and the body of wall bottom surface that is connected with ground is provided with fastener hole, and the end face at body of wall two ends, unit and side are provided with hinge or slot type connector.
7, shelves cob wall according to claim 1 is characterized in that acquiring in grade cob wall materials such as soil, sand, cement or rubble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02159291 CN1209535C (en) | 2002-12-30 | 2002-12-30 | Plastic and earth-work combined retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02159291 CN1209535C (en) | 2002-12-30 | 2002-12-30 | Plastic and earth-work combined retaining wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1512012A CN1512012A (en) | 2004-07-14 |
| CN1209535C true CN1209535C (en) | 2005-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02159291 Expired - Fee Related CN1209535C (en) | 2002-12-30 | 2002-12-30 | Plastic and earth-work combined retaining wall |
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| CN (1) | CN1209535C (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0523925D0 (en) * | 2005-11-24 | 2006-01-04 | Hesco Bastion Ltd | Gabion |
| CN102071696B (en) * | 2010-12-30 | 2012-07-04 | 长安大学 | Steep slope protective soft frame and construction method thereof |
| CN102767147B (en) * | 2012-08-15 | 2015-06-10 | 北京克瑞安邦技术有限公司 | Highway traffic safety protective wall and framework thereof |
| CN102776964A (en) * | 2012-08-15 | 2012-11-14 | 新乡克瑞重型机械科技股份有限公司 | Reusable anti-explosion wall and skeleton thereof |
| CN103074858A (en) * | 2013-02-05 | 2013-05-01 | 新乡克瑞重型机械科技股份有限公司 | Highway safety anti-collision wall and framework thereof |
| CN103352457A (en) * | 2013-07-20 | 2013-10-16 | 陈炯辉 | Soft foundation reinforcing method |
| CN103628583B (en) * | 2013-11-12 | 2016-04-20 | 中国人民解放军空军工程大学 | A kind of assembling type mobile blast wall |
| CN103912117A (en) * | 2014-04-04 | 2014-07-09 | 华浚塑料建材有限公司 | PVC building wall body module |
| CN106223235A (en) * | 2016-08-31 | 2016-12-14 | 中国人民解放军军事交通学院 | The anticollision device, collision-prevention device of a kind of fast erecting and method |
| CN106223698A (en) * | 2016-08-31 | 2016-12-14 | 中国人民解放军军事交通学院 | Explosion-protection equipment that a kind of fast erecting can be recycled and method |
| CN106193753A (en) * | 2016-08-31 | 2016-12-07 | 中国人民解放军军事交通学院 | The explosion-protection equipment of a kind of fast erecting and method |
| CN109252541B (en) * | 2018-09-21 | 2024-03-15 | 中铁磁浮交通投资建设有限公司 | Combined assembly type supporting and retaining structure |
| CN110565630A (en) * | 2019-09-24 | 2019-12-13 | 上海市水利工程集团有限公司 | High-strength ecological combined sheet pile for river channel permanent bank protection structure |
| CN113356266B (en) * | 2021-05-12 | 2023-05-23 | 中亿丰建设集团股份有限公司 | Structure is built fast to underground works retaining wall |
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2002
- 2002-12-30 CN CN 02159291 patent/CN1209535C/en not_active Expired - Fee Related
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| CN1512012A (en) | 2004-07-14 |
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Granted publication date: 20050706 Termination date: 20100201 |