CN205776310U - A kind of underneath type tower-crane foundation structure setting up water string - Google Patents
A kind of underneath type tower-crane foundation structure setting up water string Download PDFInfo
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- CN205776310U CN205776310U CN201620491831.8U CN201620491831U CN205776310U CN 205776310 U CN205776310 U CN 205776310U CN 201620491831 U CN201620491831 U CN 201620491831U CN 205776310 U CN205776310 U CN 205776310U
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- tower crane
- water string
- water
- base slab
- joint
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Abstract
The utility model discloses a kind of underneath type tower-crane foundation structure setting up water string, belong to tower crane technical field of construction, including tower crane, structure base slab, pre-buried tower crane joint and water string, the bottom of tower crane joint is positioned in tower crane, structure base slab is positioned at the top of tower crane, and is provided with therebetween waterproof layer;Tower crane joint right cylinder and be tiltedly provided with water string between column and structure base slab, water string is wrapped in right cylinder and the outside of oblique column of tower crane joint respectively, and water string leaves gap with the right cylinder of pre-buried tower crane joint and the surrounding of oblique column, being filled with flexible waterproof material in gap, water string is identical with structure base slab height;Being equipped with top flange plate at the 1/2 of water string short transverse, the bottom of water string is provided with bottom wing listrium.This utility model can effectively prevent percolating water, reduces second coagulation soil casting process, reduction process draws water expense, is substantially reduced construction cost simultaneously.
Description
Technical field
This utility model relates to tower crane technical field of construction.
Background technology
The major part of tower crane construction at present uses border to build brick fetal membrane by laying bricks or stones, and on structure base slab, reserve the structure of post-cast strip, it is connected with tower crane joint by pre-embedded anchoring bolts on structure base slab, connecting sewing is had, row post-cast strip concreting again after later stage tower crane is removed between structure base slab and tower crane joint.Such a construction increases difficulty and expense that secondary pours, also increase the probability of structure base slab percolating water, must constantly draw water in tower crane operational phase simultaneously, to ensure that tower crane saves not corrosion, indirectly add measure expense.Even if occurring in recent years using pre-buried joint and Base isolation system to form rigidly connected structure, the most all occur that in tower crane sedimentation and operation process, double swerve easily causes embedded foundation joint periphery sole plate crack, waterproof layer by disturbance destruction etc., subsoil water, along seepage herein, causes the phenomenon of structure base slab percolating water.
Therefore, one how is provided effectively to prevent percolating water hidden danger, reduce second coagulation soil casting process, reduction process to draw water expense simultaneously, be substantially reduced the underneath type tower-crane foundation structure setting up water string of construction cost, be that those skilled in the art need badly and solve the technical problem that.
Utility model content
The technical problems to be solved in the utility model, is to provide a kind of underneath type tower-crane foundation structure setting up water string, and it can effectively prevent percolating water, reduces second coagulation soil casting process, reduction process draws water expense, is substantially reduced construction cost simultaneously.
For solving above-mentioned technical problem, technical solution adopted in the utility model is:
A kind of underneath type tower-crane foundation structure setting up water string, including tower crane, structure base slab, pre-buried tower crane joint and water string, the bottom of described pre-buried tower crane joint is positioned in tower crane, the two pours and is integrated, described structure base slab is positioned at the top of tower crane, and is provided with therebetween waterproof layer;The right cylinder of pre-buried tower crane joint and be tiltedly provided with described water string between column and structure base slab, described water string is wrapped in right cylinder and the outside of oblique column of pre-buried tower crane joint respectively, and water string leaves gap with the right cylinder of pre-buried tower crane joint and the surrounding of oblique column, being filled with flexible waterproof material in described gap, the top of water string and bottom flush with top and the bottom of structure base slab respectively;Being equipped with top flange plate at the 1/2 of described water string short transverse, the bottom of described water string is provided with bottom wing listrium.
As preferably, described water string uses the structure of half-and-half type, is welded to connect between two halves.
As preferably, described gap length is 25mm to 40mm.
As preferably, the peripheral dimension 120mm more than wider than the peripheral dimension of water string of described top flange plate and bottom wing listrium.
Use and have the beneficial effects that produced by technique scheme: in the construction of prior art tower-crane foundation structure, tower crane joint is connected by the pre-embedded anchoring bolts on structure base slab, connecting sewing is had between structure base slab and tower crane joint, major part uses border to build brick fetal membrane by laying bricks or stones, and the structure of reserved post-cast strip, row post-cast strip concreting again after later stage tower crane is removed on structure base slab.Such a construction increases difficulty and expense that secondary pours, also increase the probability of structure base slab percolating water, must constantly draw water in tower crane operational phase simultaneously, to ensure that tower crane saves not corrosion, indirectly add measure expense.This utility model uses tower crane below structure base slab, and tower crane joint is embedded in tower crane, connecting sewing is not had between structure base slab and pre-buried tower crane joint, can effectively prevent percolating water hidden danger, reduce second coagulation soil casting process, reduction process draws water expense, is substantially reduced construction cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of this utility model;
Each figure number is entitled: 1 tower crane, 2 structure base slabs, 3 water strings, 4 tower crane joints, 4-1 right cylinder, the oblique column of 4-2,5 flexible waterproof materials, 6 top flange plates, 7 bottom wing listriums, 8 waterproof layers.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described in further detail by an embodiment.
This utility model includes tower crane 1, structure base slab 2, pre-buried tower crane joint 4 and water string 3, the bottom of described pre-buried tower crane joint 4 is positioned in tower crane 1, the two pours and is integrated, and described structure base slab 2 is positioned at the top of tower crane 1, and is provided with therebetween waterproof layer 8;Pre-buried tower crane saves the right cylinder 4-1 of 4 and is tiltedly provided with described water string 3 between column 4-2 and structure base slab 2, described water string 3 is wrapped in right cylinder 4-1 and the outside of oblique column 4-2 of pre-buried tower crane joint 4 respectively, and the surrounding of the right cylinder 4-1 and oblique column 4-2 of water string 3 and pre-buried tower crane joint 4 leaves gap, described gap length is 25mm to 40mm, being filled with flexible waterproof material 5 in described gap, the top of water string 3 and bottom flush with top and the bottom of structure base slab 2 respectively;Being equipped with top flange plate 6 at the 1/2 of described water string 3 short transverse, be provided with bottom wing listrium 7 at the bottom of described water string 3 i.e. structure base slab 2 end absolute altitude, described top flange plate 6 and bottom wing listrium 7 are enclosed in the periphery of water string 3.
Manufacturing process of the present utility model is:
First, making water string 3 according to the size of the right cylinder 4-1 and oblique column 4-2 of pre-buried tower crane joint 4, described water string 3 all uses the steel plate for sealing water that 3mm is thick;
Then, pre-buried tower crane joint 4, tower crane 1 bed course use the position by drawing such as whole ribbon be accurately positioned out the corner location of pre-buried tower crane joint 4, labelling is carried out with red paint, colligation tower crane 1 bottom reinforcement bars mesh sheet by drawing, 25t truck crane is used to save the right cylinder 4-1 position tower crane in place joint 4 of 4 according to the tower crane of institute's labelling, adjust levelness the trim locations of tower crane joint 4, then the most fixing with foundation bottom muscle at foundation bottom welding gusseted reinforcing bar, it is ensured that firmly;
Carry out tower crane construction again, according to drawing requirement colligation tower crane 1 top rebars, for strengthening the globality of tower crane joint 4 and tower crane 1, in the middle part of tower crane 1 thickness, respectively set up 5 diameter 25mm reinforcing bars run through tower crane and save between 4 each columns, during for preventing concreting, the disturbance to tower crane joint 4, causes its position deviation, connect position at tower crane joint 4 with tower crane 1 topcross, be welded to connect with reinforcing bar the most fixing with tower crane 1;
nullThen,The installation and the splicing that carry out water string 3 are fixing,On tower crane 1 after intensity,4 parameters are saved by each building tower crane,Select water string 3 and the component such as top flange plate 6 and bottom wing listrium 7 of institute's process mating,Water string 3 and the building block such as top flange plate 6 and bottom wing listrium 7 are carried out preassembling,Confirm whether its processing has the situation of fine setting,To process in time,Use level gauge to survey on pre-buried tower crane joint 4 and set out the height that water string 3 is installed,And it is visible marking on tower crane joint 3,In case spelling welding is " as a parameter to guiding construction during water string,Must confirm before welding water string 3,The bottom layer of the reinforcing steel colligation of structure base slab 2 is complete,Welding water string 3 bottom wing listrium 7,Bottom wing listrium 7 position of sound production is at tower crane 1 end face (i.e. bottom structure base slab 2),And ensure that bottom wing listrium 7 is smooth with bottom tower crane 1 concrete finished surface,Height according to labelling,Return the setting height(from bottom) measuring top flange plate 6,Welding top flange plate 6,After having welded,Use the bar dowel of diameter 8mm by the most fixing with structure base slab 2 reinforcing bar for the water string 3 of welding fabrication,Note ensureing the gap uniformity between water string 3 and pre-buried tower crane 1,To its disturbance when avoiding later stage artificial destruction or concrete construction;
Then, by normal process constructing structure base plate 2 polyethylene polypropylene fiber waterproof coiled material, require lap width, piece position, cementitious matter brushing all meets quality acceptance standard, at the water string 3 of tower crane joint 4, carry out additional waterproof course, and carry out water string 3 root waterproof roll according to " the waterproof method at root of pipeline detailed treatment ", turn over 200-300mm on coiled material to be advisable, or use gelling waterproof materials such as " water do not leak " to seal at bottom wing listrium 7 handing-over waterproof with structure base slab 2 position of tower crane 1 tight;
Then, carry out structure base slab 2 reinforcing bar binding and concrete construction, according to drawing requirement, binding structure base plate 2 reinforcing bar, and carry out concreting, before structure base slab 2 concreting, do template isolation at water string 3 periphery, or use cystosepiment filling, spilling during to avoid concreting leaks in water string 3, during concreting, notably vibrating spear plugs and pounds position, it is to avoid its disturbance to water string 3;
Then, carry out the flexible filleting of water string 3 to process, after concrete reaches the intensity that tower crane can run, the concrete residue of cleaning water string 3 mouth of pipe, and whether have foreign material in checking water string 3, use the flexible waterproof material 5 such as asphalt cement and oakum mixing, plug and pound and save in 4 gaps into water string 3 and tower crane, it is ensured that be closely knit;
After treating that tower crane uses, remove each standard knot in tower crane top, use the tower crane joint 4 that gas cutting excision is pre-buried, require that cutting tower crane base section 4 must be to water string 3 top (i.e. structure base slab) 60-80mm downwards, the strict gas cutting that controls cuts flare, gas cutting flare need to save square steel direction towards tower crane, forbids to cut to water string 3, causes water string 3 to lose efficacy;
Finally, the tower crane after the excision of dry grout off is used to save 4 lumens, it is ensured that to plug and pound closely knit, water string 3 dead size after tower crane joint 4 is cut off described in again checking, by this cutting processing 3mm steel blind plate, use electric welding steel blind plate, it is ensured that weld seam is complete, full, without solder skip point at.
Having the beneficial effects that of said apparatus: it uses tower crane 1 at structure base slab less than 2, and tower crane joint 4 is embedded in tower crane 1, connecting sewing is not had between structure base slab 2 and pre-buried tower crane joint 4, can effectively prevent percolating water hidden danger, reduce second coagulation soil casting process, reduction process draws water expense, is substantially reduced construction cost simultaneously.
Further, described water string 3 uses the structure of half-and-half type, is welded to connect between two halves.This structure is right cylinder 4-1 and the disadvantage of oblique column 4-2 that overall cannot be inserted in tower crane joint 4 for reply, described waterproof sleeve 3 and top flange plate 6 and bottom wing listrium 7 all use double form processing, and scene carries out assembled welding and reaches water string combining properties component.
Further, the peripheral dimension 120mm more than bigger than the peripheral dimension of water string 3 of described top flange plate 6 and bottom wing listrium 7, i.e. top flange plate 6 and bottom wing listrium 7 wide go out water string 3 more than outer wall 120mm.
Principle of the present utility model and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; on the premise of without departing from this utility model principle, it is also possible to this utility model is carried out some improvement and modification, these improve and modification also falls in this utility model scope of the claims.
Claims (4)
1. the underneath type tower-crane foundation structure setting up water string, it is characterized in that: include that tower crane (1), structure base slab (2), pre-buried tower crane save (4) and water string (3), the bottom of described pre-buried tower crane joint (4) is positioned in tower crane (1), the two pours and is integrated, described structure base slab (2) is positioned at the top of tower crane (1), and is provided with therebetween waterproof layer (8);It is provided with described water string (3) between right cylinder (4-1) and oblique column (4-2) and the structure base slab (2) of pre-buried tower crane joint (4), described water string (3) is wrapped in right cylinder (4-1) and the outside of oblique column (4-2) of pre-buried tower crane joint (4) respectively, and water string (3) leaves gap with the right cylinder (4-1) of pre-buried tower crane joint (4) and the surrounding of oblique column (4-2), flexible waterproof material (5) it is filled with in described gap, the top of water string (3) and bottom flush with top and the bottom of structure base slab (2) respectively;Being equipped with top flange plate (6) at the 1/2 of described water string (3) short transverse, the bottom of described water string (3) is provided with bottom wing listrium (7).
A kind of underneath type tower-crane foundation structure setting up water string the most according to claim 1, it is characterised in that: described water string (3) uses the structure of half-and-half type, is welded to connect between two halves.
A kind of underneath type tower-crane foundation structure setting up water string the most according to claim 1, it is characterised in that: described gap length is 25mm to 40mm.
A kind of underneath type tower-crane foundation structure setting up water string the most according to claim 1, it is characterised in that: the peripheral dimension of described top flange plate (6) and bottom wing listrium (7) is than big more than the 120mm of peripheral dimension of water string (3).
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CN201620491831.8U CN205776310U (en) | 2016-05-26 | 2016-05-26 | A kind of underneath type tower-crane foundation structure setting up water string |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110258657A (en) * | 2019-06-05 | 2019-09-20 | 中冶天工集团天津有限公司 | A kind of pre-buried section water-tight device of tower crane and its method |
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2016
- 2016-05-26 CN CN201620491831.8U patent/CN205776310U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110258657A (en) * | 2019-06-05 | 2019-09-20 | 中冶天工集团天津有限公司 | A kind of pre-buried section water-tight device of tower crane and its method |
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Granted publication date: 20161207 Termination date: 20180526 |