CN110593286A - Removable cofferdam rapid construction geotechnical formwork bag net hanging structure and construction method thereof - Google Patents
Removable cofferdam rapid construction geotechnical formwork bag net hanging structure and construction method thereof Download PDFInfo
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- CN110593286A CN110593286A CN201910832100.3A CN201910832100A CN110593286A CN 110593286 A CN110593286 A CN 110593286A CN 201910832100 A CN201910832100 A CN 201910832100A CN 110593286 A CN110593286 A CN 110593286A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention provides a removable cofferdam rapid construction geotechnical model bag net hanging structure and a construction method thereof. The geomembrane bag net hanging structure consists of a longitude and latitude vertical net and a geomembrane bag with hooks. The longitude and latitude upright hanging net is woven by high-strength corrosion-resistant nylon ropes, the geotechnical mould bag with hooks is a cuboid sand-filled mould bag, the mould bag is made of geotechnical materials with friction particles on the surface, the two ends of the geotechnical mould bag are fastened after sand filling is finished, and the hanging net hooks are bound at the fastened positions. When cofferdam construction is carried out, the geotechnical model bags with hooks are laid layer by layer, the geotechnical model bags with hooks are connected end to end, the vertical net hanging of longitude and latitude is arranged at the crack between the two rows of geotechnical model bags with hooks, the vertical net hanging of longitude and latitude is hooked by the net hanging hooks on the geotechnical model bags with hooks on each layer, and the mode of stacking is extended outwards according to the order until cofferdam construction is completed. The construction of the invention adopts a splicing mode, the operation is simple and convenient, the construction efficiency is high, when the cofferdam engineering needs to be dismantled, the whole cofferdam can be conveniently dismantled, and the materials can be repeatedly used.
Description
Technical Field
The invention relates to a removable cofferdam rapid construction geotechnical mould bag net hanging structure and a construction method thereof. The geomembrane bag net hanging structure consists of a longitude and latitude vertical net and a geomembrane bag with hooks. When cofferdam construction is carried out, the geotechnical model bags with hooks are laid layer by layer, the geotechnical model bags with hooks are connected end to end, the vertical net hanging of longitude and latitude is arranged at the crack between the two rows of geotechnical model bags with hooks, the vertical net hanging of longitude and latitude is hooked by the net hanging hooks on the geotechnical model bags with hooks on each layer, and the mode of stacking is extended outwards according to the order until cofferdam construction is completed. The invention strengthens the anti-sliding force between the geotechnical model bags by a physical method, improves the integrity of the cofferdam structure by the longitude and latitude upright hanging net, strengthens the anti-sliding force of the cofferdam structure and improves the construction efficiency. The construction adopts the mode of concatenation, and is easy and simple to handle, and the efficiency of construction is high, when cofferdam engineering need demolish, also can very convenient monoblock demolish, and the material can used repeatedly. The invention belongs to the relevant technical fields of geotechnical engineering, environmental engineering and the like.
Background
The cofferdam is a temporary enclosure structure constructed for constructing permanent water conservancy facilities in the water conservancy project construction. The cofferdam has the functions of preventing water and soil from entering the building position of the building so as to drain water in the cofferdam, excavate a foundation pit and build the building. The cofferdam is mainly used in hydraulic buildings in general, and the cofferdam is dismantled after being used up except for being used as a part of a formal building. The cofferdam height is higher than the highest water level that may occur during construction. In the bridge foundation construction, when bridge piers and platform foundations are positioned below the ground surface water level, earth weirs in various forms are built according to local materials; in rivers with deep water and large flow velocity, sheet-pile or steel-sheet pile (single-layer or double-layer) cofferdams and many double-layer thin-wall steel cofferdams can be adopted. The cofferdam can be used for preventing water and enclosing water and can also be used for supporting the pit wall of the foundation pit. The invention provides a removable cofferdam rapid construction geotechnical model bag hanging net structure and a construction method thereof, aiming at the problem of rapid construction and dismantling of a cofferdam.
Disclosure of Invention
The invention provides a removable cofferdam rapid construction geotechnical model bag net hanging structure and a construction method thereof. The geomembrane bag net hanging structure consists of a longitude and latitude vertical net and a geomembrane bag with hooks. The longitude and latitude upright hanging net is woven by high-strength corrosion-resistant nylon ropes, the geotechnical mould bag with hooks is a cuboid sand-filled mould bag, the mould bag is made of geotechnical materials with friction particles on the surface, the two ends of the geotechnical mould bag are fastened after sand filling is finished, and the hanging net hooks are bound at the fastened positions. When cofferdam construction is carried out, the geotechnical model bags with hooks are laid layer by layer, the geotechnical model bags with hooks are connected end to end, the vertical net hanging of longitude and latitude is arranged at the crack between the two rows of geotechnical model bags with hooks, the vertical net hanging of longitude and latitude is hooked by the net hanging hooks on the geotechnical model bags with hooks on each layer, and the mode of stacking is extended outwards according to the order until cofferdam construction is completed.
Solution of the invention
The invention provides a removable cofferdam rapid construction geotechnical mould bag net hanging structure, the whole structure of which comprises 2 parts: 1) longitude and latitude upright net hanging, 2) a geotechnical model bag with hooks.
Wherein 1) the longitude and latitude upright net is a latticed structure woven by high-strength corrosion-resistant nylon ropes, and has higher tensile strength and aging resistance;
wherein 2) area hook geotechnological mould bag is the mould bag that the cuboid filled the sand, and the mould bag adopts the geotechnological material of surface area friction granule to make, fills sand and accomplishes the back both ends and tighten to bind at the department of tightening and have the net hook, the net hook can firmly hook longitude and latitude upright net.
The construction method for quickly constructing the geomembrane bag suspended net structure by the removable cofferdam comprises the following steps:
1) leveling the ground according to the design requirements of the cofferdam structure, and determining the number of rows and layers of the hook-provided earthwork model bags;
2) the geotechnical model bags with the hooks are stacked up layer by layer from the center of the bottom in two rows, the geotechnical model bags with the hooks are connected end to end, longitude and latitude vertical hanging nets are vertically arranged at a gap between the two rows of geotechnical model bags with the hooks, and the longitude and latitude vertical hanging nets are hooked by the net hanging hooks on the geotechnical model bags with the hooks on each layer;
3) the geotechnical model bags with hooks extend outwards from the center, are stacked row by row layer by layer, and a longitude and latitude vertical hanging net is arranged between every two rows of geotechnical model bags with hooks to hook the adjacent two rows of geotechnical model bags with hooks together;
4) the cofferdam structure is built in the length direction in the stacking mode until the construction is finished;
5) and after the construction is finished, performing waterproof covering construction on the cofferdam structure, and generally covering the cofferdam structure by adopting a temporary plastic film.
THE ADVANTAGES OF THE PRESENT INVENTION
The invention provides a removable cofferdam rapid construction geotechnical model bag net hanging structure and a construction method thereof. The geomembrane bag net hanging structure consists of a longitude and latitude vertical net and a geomembrane bag with hooks. The longitude and latitude upright hanging net is woven by high-strength corrosion-resistant nylon ropes, the geotechnical mould bag with hooks is a cuboid sand-filled mould bag, the mould bag is made of geotechnical materials with friction particles on the surface, the two ends of the geotechnical mould bag are fastened after sand filling is finished, and the hanging net hooks are bound at the fastened positions. The invention strengthens the anti-sliding force between the geotechnical model bags by a physical method, improves the integrity of the cofferdam structure by the longitude and latitude upright hanging net, strengthens the anti-sliding force of the cofferdam structure and improves the construction efficiency. The construction adopts the mode of concatenation, and is easy and simple to handle, and the efficiency of construction is high, when cofferdam engineering need demolish, also can very convenient monoblock demolish, and the material can used repeatedly. .
Drawings
Fig. 1 is a schematic view of a longitude and latitude upright net, fig. 2 is a schematic view of a hooked earth mould bag, fig. 3 is a schematic view of a cofferdam piling: 1) longitude and latitude upright net hanging, 2) a geotechnical model bag with a hook, and 3) net hooks.
The specific implementation mode is as follows:
a removable cofferdam rapid construction geotechnical model bag suspended net structure and construction method thereof, the whole structure comprises 2 parts: longitude and latitude upright net hanging and a geotechnical model bag with hooks.
The longitude and latitude upright net 1) in the structure is a latticed structure woven by high-strength corrosion-resistant nylon ropes, and has higher tensile strength and aging resistance;
the geotechnical model bag with hooks 2) in the structure is a model bag filled with sand in a cuboid, the model bag is made of geotechnical materials with friction particles on the surfaces, two ends of the model bag are fastened after sand filling is completed, and net hanging hooks 3) are bound at the fastening positions, and the net hanging hooks 3) can firmly hook longitude and latitude vertical nets.
The construction method for quickly constructing the geomembrane bag suspended net structure by the removable cofferdam comprises the following steps:
1) leveling the ground according to the design requirements of the cofferdam structure, and determining the number of rows and layers of the piles of the geotechnical model bags 2) with hooks;
2) the geotechnical model bags 2) with the hooks are stacked layer by layer from the center of the bottom in two rows upwards), the geotechnical model bags 2) with the hooks are connected end to end, longitude and latitude vertical hanging nets 1 are vertically arranged at a gap between the geotechnical model bags 2) with the hooks, and the net hooks 3) on the geotechnical model bags 2) with the hooks on each layer hook the longitude and latitude vertical hanging nets 1);
3) extending outwards from the center, and stacking the geotechnical model bags 2) with hooks row by row one by layer, arranging a longitude and latitude upright hanging net 1) between every two rows of geotechnical model bags 2) with hooks, and hooking the adjacent two rows of geotechnical model bags 2) with hooks together;
4) the cofferdam structure is built in the length direction in the stacking mode until the construction is finished;
5) and after the construction is finished, performing waterproof covering construction on the cofferdam structure, and generally covering the cofferdam structure by adopting a temporary plastic film.
Claims (2)
1. A removable cofferdam rapid construction geotechnical model bag suspended net structure, the whole structure of which comprises 2 parts: longitude and latitude upright net hanging and hook-equipped geotechnical model bag, which is characterized in that:
1) the longitude and latitude upright net is in a grid structure formed by weaving high-strength corrosion-resistant nylon ropes;
2) the geotechnical model bag with the hooks is a model bag filled with sand in a cuboid, the model bag is made of geotechnical materials with friction particles on the surfaces, two ends of the model bag are fastened after sand filling is completed, and the fastening positions are bound with the net hooks.
2. The construction method for quickly constructing the geotechnical mold bag suspended net structure with the removable cofferdam as claimed in claim 1, wherein the construction method comprises the following steps:
1) leveling the ground according to the design requirements of the cofferdam structure, and determining the number of rows and layers of the hook-provided earthwork model bags;
2) the geotechnical model bags with the hooks are stacked up layer by layer from the center of the bottom in two rows, the geotechnical model bags with the hooks are connected end to end, longitude and latitude vertical hanging nets are vertically arranged at a gap between the two rows of geotechnical model bags with the hooks, and the longitude and latitude vertical hanging nets are hooked by the net hanging hooks on the geotechnical model bags with the hooks on each layer;
3) the geotechnical model bags with hooks extend outwards from the center, are stacked row by row layer by layer, and a longitude and latitude vertical hanging net is arranged between every two rows of geotechnical model bags with hooks to hook the adjacent two rows of geotechnical model bags with hooks together;
4) the cofferdam structure is built in the length direction in the stacking mode until the construction is finished;
5) and after the construction is finished, performing waterproof covering construction on the cofferdam structure, and covering the cofferdam structure by adopting a temporary plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832100.3A CN110593286B (en) | 2019-09-04 | 2019-09-04 | Removable cofferdam rapid construction geotechnical formwork bag net hanging structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832100.3A CN110593286B (en) | 2019-09-04 | 2019-09-04 | Removable cofferdam rapid construction geotechnical formwork bag net hanging structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN110593286A true CN110593286A (en) | 2019-12-20 |
| CN110593286B CN110593286B (en) | 2021-04-13 |
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| CN201910832100.3A Active CN110593286B (en) | 2019-09-04 | 2019-09-04 | Removable cofferdam rapid construction geotechnical formwork bag net hanging structure and construction method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831688A (en) * | 2015-05-14 | 2015-08-12 | 广西梧州运龙港船机械制造有限公司 | Method for cofferdam construction |
| CN105507205A (en) * | 2015-12-24 | 2016-04-20 | 天津大学 | Temporary flood barrier constructed by soil engineering filling bags and gate-shaped steel frames |
| JP5913701B1 (en) * | 2015-08-06 | 2016-04-27 | 前田工繊株式会社 | Temporary dual-use main soil structure and its construction method |
| CN208441045U (en) * | 2018-06-08 | 2019-01-29 | 沧州中渤重工机械装备有限公司 | A kind of flood control that easy lift to move is anti-slip emergency sandbag |
-
2019
- 2019-09-04 CN CN201910832100.3A patent/CN110593286B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831688A (en) * | 2015-05-14 | 2015-08-12 | 广西梧州运龙港船机械制造有限公司 | Method for cofferdam construction |
| JP5913701B1 (en) * | 2015-08-06 | 2016-04-27 | 前田工繊株式会社 | Temporary dual-use main soil structure and its construction method |
| CN105507205A (en) * | 2015-12-24 | 2016-04-20 | 天津大学 | Temporary flood barrier constructed by soil engineering filling bags and gate-shaped steel frames |
| CN208441045U (en) * | 2018-06-08 | 2019-01-29 | 沧州中渤重工机械装备有限公司 | A kind of flood control that easy lift to move is anti-slip emergency sandbag |
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| CN110593286B (en) | 2021-04-13 |
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