CN108330996A - Mud pit cofferdam and construction method - Google Patents
Mud pit cofferdam and construction method Download PDFInfo
- Publication number
- CN108330996A CN108330996A CN201810324999.3A CN201810324999A CN108330996A CN 108330996 A CN108330996 A CN 108330996A CN 201810324999 A CN201810324999 A CN 201810324999A CN 108330996 A CN108330996 A CN 108330996A
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- steel pipe
- steel
- bag
- deal pile
- pipe scaffold
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Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0071—Wood
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Abstract
The present invention relates to mud pit cofferdam, including：Steel wire with plastic plated reinforced bar net determines net deal pile, steel pipe scaffold upright bar, steel pipe scaffold cross bar, pipe bag limit deckle board, steel pipe scaffold diagonal brace, slope control scaffold rack, cellular concrete, anti-floating rack, prefabricated board and water blocking pipe bag side weir；Steel pipe scaffold diagonal brace one end is mounted on by bolt in steel pipe scaffold upright bar, the steel pipe scaffold diagonal brace other end is connected by the way that strut connecting plate is unified, anti-slip tank is overlapped with strut connecting plate junction setting connecting plate to fix, strut connecting plate is connected to by deal pile steel jacking with holes and fixed steel nail on solid support deal pile in each steel pipe scaffold diagonal brace；The pipe bag limit deckle board is fixed on by fixing bolt on stake top frame grid type connecting rod rest, and pipe bag limits the concrete film bag that tiles on deckle board.The beneficial effects of the invention are as follows：It is reinforced by using net like deal pile, effectively steel wire with plastic plated reinforced bar net can be reinforced, can effectively ensure the construction quality safety.
Description
Technical field
The present invention relates to mud pit cofferdam and construction methods, belong to water conservancy project building construction field, especially suitable for mud
The construction in stock tank cofferdam.
Background technology
In recent years, with the continuous development of economic construction of China, the bridge across great rivers is also more and more.Current
Under economic situation, reinforces China's water resource infrastructure construction energetically, water engineering facility construction is improved, to actively push forward water conservancy
The development of construction project is of great immediate significance.In the construction of construction of hydro project project, can usually it be related to very much
Technology, cofferdam construction technology is exactly a wherein very crucial in water conservancy construction technology, actively promotes cofferdam technology
Research and development and improvement are to develop the important link of hydraulic engineering construction, are to ensure that China's water conservancy construction industry situation well runs, protects
The key of the healthy and stable development of Chinese national economy is held, the present invention can effectively improve the speed of application of mud pit cofferdam construction,
And the effective measures ensured the construction quality.
Invention content
The purpose of the present invention is overcoming deficiency in the prior art, a kind of mud pit cofferdam and construction method are provided.
This mud pit cofferdam, including steel wire with plastic plated reinforced bar net, determine net deal pile, reinforce deal pile, stake top frame grid type connect
Bridge, frame linking deal pile, steel pipe scaffold upright bar, steel pipe scaffold cross bar, pipe bag limit deckle board, steel pipe scaffold diagonal brace, slope
Face controls scaffold rack, mud filling tube bag, solidified earth, concrete film bag, cellular concrete, anti-floating rack, prefabricated board and water blocking
Pipe bag side weir；
Steel pipe scaffold diagonal brace one end is mounted on by bolt in steel pipe scaffold upright bar, steel pipe scaffold diagonal brace is another
It holds and is connected by the way that strut connecting plate is unified, it is anti-skidding in each steel pipe scaffold diagonal brace and strut connecting plate junction setting connecting plate overlap joint
Slot is fixed, and strut connecting plate is connected to by deal pile steel jacking with holes and fixed steel nail on solid support deal pile；
The pipe bag limit deckle board is fixed on by fixing bolt on stake top frame grid type connecting rod rest, and pipe bag is limited and put down on deckle board
It spreads concrete film bag, anti-floating rack is secured by bolts in steel pipe scaffold upright bar, and prefabricated board both sides are vertical with steel pipe scaffold
Bar connection is beared down on one, and water blocking pipe sack cofferdam is stacked in both sides at the top of cofferdam.
The construction method in this mud pit cofferdam, includes the following steps：
Step 1: stake top supporting plate is installed and is fixed：It reinforcing deal pile, determining to pacify on net deal pile and frame linking deal pile
Stake top supporting plate is filled, and it is fixed on U-shaped fixing glue on each deal pile；
Step 2: steel wire with plastic plated reinforced bar net is placed：The steel wire with plastic plated reinforced bar net that positioning is put in order is transferred into designated position,
It is set in its surrounding and determines net deal pile it is fixed；
It is set Step 3: reinforcing deal pile：The reinforcing pine prepared in advance is set in steel wire with plastic plated reinforced bar net centre position
Stake；
Step 4: the frame linking deal pile synchronization sinking that stake top frame grid type connecting rod rest is coupled：Stake top frame grid type connecting rod rest
It is connected and fixed with frame linking deal pile after installation is complete, synchronizes to sink by the two after fixing and be lowered into designated position；
Step 5: main hold vertical steel pipe and the main installation for holding horizontal steel tube：It holds vertical steel pipe by the way that crane handling is main and pacifies
It fills, installation master holds horizontal steel tube and holds vertical steel pipe for reinforcing master later；
Step 6: the installation of steel pipe scaffold upright bar and steel pipe scaffold cross bar：Steel pipe scaffold upright bar and steel pipe are installed
Scaffold cross bar, and be fixed on stake top frame grid type connecting rod rest by hinged shaft；
Step 7: the limit deckle board installation of pipe bag：Pipe bag limit deckle board is mounted on designated position and fixation；
Step 8: steel pipe scaffold diagonal brace is installed：Steel pipe scaffold diagonal brace one end is mounted in steel pipe scaffold upright bar,
The other end is connected by the way that strut connecting plate is unified, is overlapped in each steel pipe scaffold diagonal brace and strut connecting plate junction setting connecting plate
Strut connecting plate is connected to by deal pile steel jacking with holes and fixed steel nail on solid support deal pile by anti-slip tank, last is same
Sinking；
Step 9: slope control scaffold rack is installed：To ride upon in advance on building scaffold as setting up platform,
Carry out the installation of slope control scaffold rack；
Step 10: mud filling tube bag is laid and geo-tube filling construction：Mud filling tube bag is deployed to already installed pipe bag
It limits in deckle board, unfilled region fills solidified earth；
Step 11: concrete film bag is installed：Designed film bag is flattened, place measures and flattens laggard
Row film bag is laid with installation；
Step 12: perfusion cellular concrete：Cellular concrete is perfused in the concrete film bag laid；
Step 13: placing anti-floating rack：Anti-floating rack is installed on concrete film bag；
Step 14: cellular concrete conserves：Cellular concrete is laid with gunnysack, timing watering pair on it after pouring
It is conserved；
Step 15: repeating step 11 and step 12；
Bear down on one Step 16: placing prefabricated board：Prefabricated board is made in advance, and anti-skidding chimeric rib is installed in its bottom surface,
Cofferdam jacking row is placed it on to bear down on one；
Step 17: water blocking pipe bag side weir is constructed：Both sides are used water blocking pipe bag to carry out water blocking as side weir and are applied at the top of cofferdam
Work.
The beneficial effects of the invention are as follows：
(1) it reinforces, effectively steel wire with plastic plated reinforced bar net can be reinforced by using net like deal pile, it can be effective
Ensure the construction quality safety.
(2) this method is limited by limiting steel plate, can accurately be laid pipe bag, is constructed convenient for geo-tube filling, can
To effectively improve construction efficiency, convenient for construction.
(3) purpose of water blocking can effectively be realized by being beared down on one by film bag lightweight core and prefabricated board, it is ensured that construction is suitable
Profit carries out.
Description of the drawings
Fig. 1 is mud pit cofferdam elevation；
Fig. 2 is deal pile layout drawing on steel wire with plastic plated reinforced bar net；
Fig. 3 is concrete film bag schematic diagram；
Fig. 4 is deal pile steel jacking installation diagram with holes.
Reference sign：1- mud, 2- reinforce deal pile, 3- determines net deal pile, 4- frame linkings deal pile, 5- and supports pine admittedly
Stake, 6- stake tops supporting plate, 7- struts connecting plate, 8- connecting plates overlap joint anti-slip tank, 9- stake top frame grid types connecting rod rest, 10- steel wire with plastic plated reinforcements
Net, 11-U types fixing glue, 12- master holds vertical steel pipe, 13- master holds horizontal steel tube, the upright bar of 14- steel pipe scaffolds, 15- steel pipe feet hands
Frame cross bar, 16- pipe bags limit deckle board, 17- steel pipe scaffolds diagonal brace, 18- deal piles steel jacking with holes, 19- fix steel nail, 20-
Hinged shaft, 21- slope control scaffolds rack, 22- mud filling tube bags, 23- solidified earths, 24- concrete films bag, 25- cellular concretes,
The anti-skidding chimeric rib of 26- anti-floatings rack, 27- prefabricated boards, 28-, 29- water blocking pipe bag side weirs.
Specific implementation mode
The present invention is described further with reference to embodiment.The explanation of following embodiments is merely used to help understand this
Invention.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection domain of the claims in the present invention
It is interior.
As shown in Figures 1 to 4, shown mud pit cofferdam includes steel wire with plastic plated reinforced bar net 10, determines net deal pile 3, reinforces pine
Timber 2, stake top frame grid type connecting rod rest 9, frame linking deal pile 4, steel pipe scaffold upright bar 14, steel pipe scaffold cross bar 15, pipe bag limit
Position deckle board 16, steel pipe scaffold diagonal brace 17, slope control scaffold rack 21, mud filling tube bag 22, solidified earth 23, concrete film bag
24, cellular concrete 25, anti-floating rack 26, prefabricated board 27 and water blocking pipe bag side weir 29.
17 one end of steel pipe scaffold diagonal brace is mounted on by bolt in steel pipe scaffold upright bar 14, steel pipe scaffold diagonal brace
17 other ends are connected by the way that strut connecting plate 7 is unified, are connected in each steel pipe scaffold diagonal brace 17 and the setting of 7 junction of strut connecting plate
Plate overlaps anti-slip tank 8 and fixes, and strut connecting plate 7 is connected to solid support pine by deal pile steel jacking 18 with holes and fixed steel nail 19
On timber 5, last same sinking.
The pipe bag limit deckle board 16 is fixed on by fixing bolt on stake top frame grid type connecting rod rest 9, and pipe bag limits deckle board
Tile concrete film bag 24 on 16, and anti-floating rack 26 is secured by bolts in steel pipe scaffold upright bar 14, prevents film bag from floating.
27 both sides of prefabricated board are connect with steel pipe scaffold upright bar 14 bears down on one, and water blocking pipe sack cofferdam 29 is stacked in both sides at the top of cofferdam.
The construction method in the mud pit cofferdam, includes the following steps：
Step 1: stake top supporting plate 6 is installed and is fixed：It reinforcing deal pile 2, determining on net deal pile 3 and frame linking deal pile 4
It is respectively mounted stake top supporting plate 6, and it is fixed on U-shaped fixing glue 11 on each deal pile；
Step 2: steel wire with plastic plated reinforced bar net 10 is placed：The steel wire with plastic plated reinforced bar net 10 that positioning is put in order is transferred to specified
Position sets in its surrounding and determines net deal pile 3 it is fixed；
It is set Step 3: reinforcing deal pile：The reinforcing pine prepared in advance is set in 10 centre position of steel wire with plastic plated reinforced bar net
Timber 2；
Step 4: the synchronization sinking of frame linking deal pile 4 that stake top frame grid type connecting rod rest 9 is coupled：Stake top frame grid type connecting rod
Frame 9 is connected and fixed with frame linking deal pile 4 after installation is complete, is synchronized to sink by the two after fixing and is lowered into designated position；
Step 5: main hold vertical steel pipe 12 and the main installation for holding horizontal steel tube 13：Vertical steel pipe is held by the way that crane handling is main
It 12 and installs, installation later is main to hold horizontal steel tube 13 and be used for reinforcing master and hold vertical steel pipe 12；
Step 6: the installation of steel pipe scaffold upright bar 14 and steel pipe scaffold cross bar 15：Steel pipe scaffold upright bar 14 is installed
With steel pipe scaffold cross bar 15, and it is fixed on stake top frame grid type connecting rod rest 9 by hinged shaft；
Step 7: pipe bag limit deckle board 16 is installed：Pipe bag limit deckle board 16 is mounted on designated position and fixation；
Step 8: steel pipe scaffold diagonal brace 17 is installed：17 one end of steel pipe scaffold diagonal brace is stood mounted on steel pipe scaffold
On bar 14, the other end is connected by the way that strut connecting plate 7 is unified, in each steel pipe scaffold diagonal brace 17 and 7 junction of strut connecting plate
Connecting plate is set and overlaps anti-slip tank 8, strut connecting plate 7 is connected to solid support by deal pile steel jacking 18 with holes and fixed steel nail 19
On deal pile 5, last same sinking；
Step 9: slope control scaffold rack 21 is installed：It is flat as setting up on building scaffold to ride upon in advance
Platform carries out slope control scaffold rack 21 and installs；
Step 10: mud filling tube bag 22 is laid and geo-tube filling construction：Mud filling tube bag 22 is deployed to already installed
Pipe bag limits in deckle board 16, and unfilled region fills solidified earth 23；
Step 11: concrete film bag 24 is installed：Designed film bag is flattened, after place measures and flattens
It carries out film bag and is laid with installation；
Step 12: perfusion cellular concrete 25：Cellular concrete 25 is perfused in the concrete film bag 24 laid；
Step 13: placing anti-floating rack 26：Anti-floating rack 26 is installed on concrete film bag 24；
Step 14: cellular concrete 25 conserves：Cellular concrete 25 is laid with gunnysack on it after pouring, periodically spill
Water conserves it；
Step 15: repeating step 11 and step 12；
Bear down on one Step 16: placing prefabricated board 27：Prefabricated board 27 is made in advance, and anti-skidding chimeric in the installation of its bottom surface
Rib 28 places it on cofferdam jacking row and bears down on one；
Step 17: water blocking pipe bag side weir 29 is constructed：Both sides use water blocking pipe bag to carry out water blocking as side weir at the top of cofferdam
Construction.
Claims (2)
1. a kind of mud pit cofferdam, which is characterized in that including steel wire with plastic plated reinforced bar net (10), determine net deal pile (3), reinforcing pine
Stake (2), stake top frame grid type connecting rod rest (9), frame linking deal pile (4), steel pipe scaffold upright bar (14), steel pipe scaffold cross bar
(15), pipe bag limit deckle board (16), steel pipe scaffold diagonal brace (17), slope control scaffold rack (21), mud filling tube bag (22),
Solidified earth (23), concrete film bag (24), cellular concrete (25), anti-floating rack (26), prefabricated board (27) and water blocking pipe bag side
Weir (29)；
Steel pipe scaffold diagonal brace (17) one end is mounted on by bolt in steel pipe scaffold upright bar (14), steel pipe scaffold diagonal brace
(17) other end is connected by the way that strut connecting plate (7) is unified, is connect with strut connecting plate (7) in each steel pipe scaffold diagonal brace (17)
Place's setting connecting plate overlaps anti-slip tank (8) and fixes, and strut connecting plate (7) is passed through deal pile steel jacking (18) with holes and fixed steel nail
(19) it is connected on solid support deal pile (5)；
The pipe bag limit deckle board (16) is fixed on by fixing bolt on stake top frame grid type connecting rod rest (9), and pipe bag limits deckle board
(16) tile concrete film bag (24) on, and anti-floating rack (26) is secured by bolts in steel pipe scaffold upright bar (14), prefabricated
Plate (27) both sides are connect with steel pipe scaffold upright bar (14) bears down on one, and water blocking pipe sack cofferdam (29) is stacked in both sides at the top of cofferdam.
2. a kind of construction method in mud pit cofferdam as described in claim 1, which is characterized in that include the following steps：
Step 1: stake top supporting plate (6) is installed and is fixed：It reinforcing deal pile (2), determining net deal pile (3) and frame linking deal pile
(4) it is respectively mounted stake top supporting plate (6) on, and it is fixed on U-shaped fixing glue (11) on each deal pile；
Step 2: steel wire with plastic plated reinforced bar net (10) is placed：The steel wire with plastic plated reinforced bar net (10) that positioning is put in order is transferred to specified
Position sets in its surrounding and determines net deal pile (3) it is fixed；
It is set Step 3: reinforcing deal pile：The reinforcing pine prepared in advance is set in steel wire with plastic plated reinforced bar net (10) centre position
Stake (2)；
Step 4: frame linking deal pile (4) the synchronization sinking that stake top frame grid type connecting rod rest (9) is coupled：Stake top frame grid type connecting rod
Frame (9) is connected and fixed with frame linking deal pile (4) after installation is complete, is synchronized to sink by the two after fixing and is lowered into designated position；
Step 5: main hold vertical steel pipe (12) and the main installation for holding horizontal steel tube (13)：Vertical steel pipe is held by the way that crane handling is main
(12) it and installs, installation master holds horizontal steel tube (13) and holds vertical steel pipe (12) for reinforcing master later；
Step 6: the installation of steel pipe scaffold upright bar (14) and steel pipe scaffold cross bar (15)：Steel pipe scaffold upright bar is installed
(14) and steel pipe scaffold cross bar (15) it, and is fixed on stake top frame grid type connecting rod rest (9) by hinged shaft；
Step 7: pipe bag limit deckle board (16) is installed：Pipe bag limit deckle board (16) is mounted on designated position and fixation；
Step 8: steel pipe scaffold diagonal brace (17) is installed：Steel pipe scaffold diagonal brace (17) one end is vertical mounted on steel pipe scaffold
On bar (14), the other end is connected by the way that strut connecting plate (7) is unified, in each steel pipe scaffold diagonal brace (17) and strut connecting plate
(7) setting connecting plate in junction overlaps anti-slip tank (8), and strut connecting plate (7) by deal pile steel jacking (18) with holes and is fixed
Steel nail (19) is connected on solid support deal pile (5), last same sinking；
Step 9: slope control scaffold rack (21) is installed：To ride upon in advance on building scaffold as setting up platform,
Slope control scaffold rack (21) is carried out to install；
Step 10: mud filling tube bag (22) is laid and geo-tube filling construction：Mud filling tube bag (22) is deployed to already installed
Pipe bag limits in deckle board (16), unfilled region filling solidified earth (23)；
Step 11: concrete film bag (24) is installed：Designed film bag is flattened, place measures and flattens laggard
Row film bag is laid with installation；
Step 12: perfusion cellular concrete (25)：The perfusion cellular concrete (25) in the concrete film bag (24) laid；
Step 13: placing anti-floating rack (26)：Anti-floating rack (26) is installed on concrete film bag (24)；
Step 14: cellular concrete (25) conserves：Cellular concrete (25) is laid with gunnysack on it after pouring, and periodically spills
Water conserves it；
Step 15: repeating step 11 and step 12；
Bear down on one Step 16: placing prefabricated board (27)：Prefabricated board (27) is made in advance, and anti-skidding chimeric in the installation of its bottom surface
Rib (28) places it on cofferdam jacking row and bears down on one；
Step 17: water blocking pipe bag side weir (29) is constructed：Both sides are used water blocking pipe bag to carry out water blocking as side weir and are applied at the top of cofferdam
Work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324999.3A CN108330996B (en) | 2018-04-12 | 2018-04-12 | Slurry pond cofferdam and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324999.3A CN108330996B (en) | 2018-04-12 | 2018-04-12 | Slurry pond cofferdam and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108330996A true CN108330996A (en) | 2018-07-27 |
| CN108330996B CN108330996B (en) | 2023-10-10 |
Family
ID=62932995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810324999.3A Active CN108330996B (en) | 2018-04-12 | 2018-04-12 | Slurry pond cofferdam and construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108330996B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832273A (en) * | 2019-11-25 | 2021-05-25 | 中国电建集团华东勘测设计研究院有限公司 | Riverway culvert temporary water retaining structure capable of being rapidly disassembled, building method and rapid disassembling and rebuilding method |
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|---|---|
| CN108330996B (en) | 2023-10-10 |
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