CN208072415U - Deep foundation pit reinforced concrete support part changes structure - Google Patents
Deep foundation pit reinforced concrete support part changes structure Download PDFInfo
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- CN208072415U CN208072415U CN201820432254.4U CN201820432254U CN208072415U CN 208072415 U CN208072415 U CN 208072415U CN 201820432254 U CN201820432254 U CN 201820432254U CN 208072415 U CN208072415 U CN 208072415U
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Abstract
The utility model is related to a kind of deep foundation pit reinforced concrete support parts to change structure：The supporting construction of foundation pit includes cast-in-situ bored pile and double cement mixing method, support replacement beam slab is using overhanging formwork erecting structure, the backform of support replacement beam slab shelves structure using the backform overhanging of welding compression bar, the steel reinforcement cage of support replacement beam slab is using welding binding global formation, and lifted by the machinery on operating platform, the post-cast strip of sole plate and basement bottom board is arranged using separate type dowel bar structure.The utility model is related to structure can optimize the construction method that deep basal pit tears support and support replacement open, the safety and stability of foundation pit can be improved, it can ensure the node duration of major project simultaneously, accelerate main building area foundation pit and change support speed, reach and shorten the construction period and cost-effective advantageous effect.
Description
Technical field
The utility model is related to a kind of deep foundation pit reinforced concrete support parts to change structure, and it is close to be suitable for Adjacent Buildings
Collect the horizontal temporary support structure of area's deep basal pit to remove, it is desirable that without friction, shock-free concrete removal engineering.
Background technology
With deepening continuously for urbanization process, skyscraper is more and more, and corresponding foundation pit is also increasingly deeper.In city
Building dense area, due to being influenced by surrounding enviroment, pattern foundation pit supporting structure can only use inner supporting structure.Usual rectangular foundation pit uses ring
Shape reinforced concrete support structure；Strip foundation pit is using reinforced concrete truss to support structure.Most skyscrapers are located at city
The central area in city, surrounding enviroment are more complex, and deep basal pit mostly uses enclosure wall (stake) plus the support form of concrete inner support.When
In preceding high-building construction, all the positive negative zero node of main building or main body are bound as important construction and marketing node.Therefore, greatly
Partial high-level is built in the case of conditions permit, all can preferentially complete the basement structure of main building, subsequent podium area, which synchronizes, to apply
Work.But changeing for conventional design foundation pit supports construction method it is difficult to ensure that the node duration shifts to an earlier date.And as temporary support structure,
Because its many places is in city business district, surrounding or building are intensive, or close on operated subway, this is just to method for dismounting it is also proposed that higher
Challenge.
The construction operating mode of previous such deep basal pit is dismounting upper track support after the completion of structure construction, then carries out upper layer floor
Construction, and so on construct.This pattern has 2 points of deficiencies：First, work surface is transferred greatly after the completion of constructing with procedure,
A large amount of labour force-fittings are needed, continuous productive process cannot be carried out, even if carrying out necessarily will appear Coal Face Passing Through surplus feelings if cross construction
Condition；Second is that due to, without the interspersed time, causing the duration longer between adjacent process.
The utility model changes that speed of application is slow for the concrete support of conventional design, can not ensure the node work of major project
The characteristics of phase, summarizing a kind of can effectively accelerate main building region foundation pit and change the deep foundation pit reinforced concrete support part of support to tear open
Structure is changed, the safety and stability of foundation pit can be improved, while can ensure the node duration of major project, accelerates main building area base
Hole changes support speed, reaches and shortens the construction period and cost-effective advantageous effect.
Invention content
The purpose of this utility model is to provide a kind of deep foundation pit reinforced concrete support part and changes structure, can solve
Traditional deep basal pit tears the problem of support method leads to base pit stability and delays the duration open, while can play and save manpower object
Power reduces the effect of cost.
To realize the above-mentioned technical purpose, the utility model uses following technical scheme
A kind of deep foundation pit reinforced concrete support part changes structure, including an at least support replacement panel assembly, cast-in-situ bored pile
And outer wall of basement, which is characterized in that it is whole that support replacement panel assembly includes overhanging formwork erecting structure, structure, support replacement plate are shelved in backform overhanging
Body formula framework of steel reinforcement, the setting of support replacement plate Integral Steel tendons skeleton is between overhanging formwork erecting structure and backform overhanging shelve structure, top
Mould overhanging shelves structure setting above overhanging formwork erecting structure, and it includes the pre-buried camber steel plate of pile body, support replacement to overhang formwork erecting structure to be
Plate bottom plate, truss bracing members, overhanging welding steel and steel pipe, the pre-buried camber steel plate annular solder of pile body is in cast-in-situ bored pile
On, overhanging welding steel uses two-sided welding, support replacement plate bottom plate one end to connect drill-pouring with the pre-buried camber steel plate of pile body
In stake, the other end is connected in outer wall of basement, and steel pipe one end is connect by screw with overhanging welding steel, and the other end passes through weldering
The screw connection being connected below support replacement plate bottom plate, truss bracing members one end are connected with overhanging welding steel by being welded and fixed folder
It connects, the other end is fixedly connected with steel pipe by steel pipe fixes sleeve.
In some embodiments, further include double cement mixing method, backform overhanging shelve structure, including operation is flat
Platform, hoist mechanism, guardrail, compression bar, at least a support replacement plate backform, an at least wall reserve steel plate, at least a top template
The reserved steel plate of angle steel, an at least pile body is positioned, operating platform is located at double cement mixing method top, and hoist mechanism is fixed
In on operating platform, operating platform is equipped with guardrail, and compression bar passes through bolted splice, compression bar and support replacement plate top with hoist mechanism
Mould is fixedly connected, and wall is reserved steel plate and is arranged in outer wall of basement, and the reserved steel plate of pile body corresponds to the reserved steel plate setting of wall and exists
In cast-in-situ bored pile, top template location angle irons reserve steel plate with wall respectively, pile body is reserved steel plate and connect, and support replacement plate backform is set
It sets on the template location angle irons of top.
In some embodiments, support replacement plate Integral Steel muscles and bones is equipped between support replacement plate backform and support replacement plate bottom plate
Frame is further filled with concrete between support replacement plate backform and support replacement plate bottom plate.
In some embodiments, cast-in-situ bored pile is equipped with stake main reinforcement and pile ring muscle, and pile ring muscle circumferential direction welds stake main reinforcement shape
The monolithic reinforced cage of pile, it is circumferential on the pile ring muscle on the outside of the monolithic reinforced cage of stake to be welded with the pre-buried curved plate of pile body.
In some embodiments, further include first of reinforced concrete support and second reinforced concrete support, drilling
It is set on bored concrete pile there are two the beams of concrete for corresponding to first of reinforced concrete support and second reinforced concrete support respectively,
It is equipped with implantation muscle, hanging plate, Guan Liang reserving rib in beams of concrete, first of reinforced concrete support is implanted into muscle, hanging plate, hat with passing through
Beam reserving rib is connect with the beams of concrete being located on cast-in-situ bored pile, and second reinforced concrete support passes through plant with beams of concrete
Enter muscle, hanging plate, the connection of Guan Liang reserving rib.
In some embodiments, further include second layer basement bottom board, second layer basement roof sole plate, basic bottom
Plate and three post-cast strip separate type dowel bar structures, second layer basement bottom board, second layer basement roof sole plate and base
It is equipped with preformed hole on plinth bottom plate, post-cast strip separate type dowel bar structure includes the multiple prefabricated sections being arranged in preformed hole, more
A nuts, multiple screw rods and multiple fixation steel plates, in the floor of post-cast strip both sides, screw rod connects screw pre-buried with prefabricated section
It connects, nuts connect with screw rod and consolidated, and is blocked with building block on prefabricated section, divides into be equipped on prefabricated section and passes through screw rod
It is clamped with the fixation steel plate of spiro rod cap.
In some embodiments, the ground of operating platform side is equipped with jetting cement slope surface and gutter.
In some embodiments, sole plate is equipped with below outer wall of basement, sole plate and cast-in-situ bored pile between
It is provided with plain concrete load transfering strip, basic stock mould and yellow sand compacted backfill, basic bottom are equipped with below plain concrete load transfering strip
Plate has bed course, and bed course is located above native soil.
The utility model has the characteristics that following and advantageous effect：
1 the utility model is related to support replacement beam slab overhang formwork erecting structure, can solve outer wall of basement with drilling fender post
Between distance it is smaller, set up the relatively difficult problem of scaffold.
2 the utility model is related to pour certain thickness plain concrete in plate outer side, between bottom plate and maintaining pile
Form rigid hinge, the safety of fender post when can enhance bracing demolition.
3 the utility model is related to support replacement beam slab overhanging shelve structure, by compression bar control support replacement beam can be effectively ensured
Concrete quality at the top of plate.
4 the utility model is related to post-cast strip separate type dowel bar structure, poured after can effectively being played when prefabricated section is removed
The effect of band, avoids crack from generating.
Description of the drawings
Fig. 1 is that deep foundation pit reinforced concrete support part changes structure chart；
Fig. 2 is the pre-buried camber steel plate welding schematic diagram of pile body；
Fig. 3 is support replacement beam slab overhanging formwork erecting structure schematic diagram；
Fig. 4 is post-cast strip separate type dowel bar structure structural map；
In figure：The ground 1-, the gutters 2-, 3- jetting cements slope surface, 4- operating platforms, 5- hoist mechanisms, 6- guardrails, 7-
Compression bar, 8- outer wall of basement, first of reinforced concrete support of 9-, 10- beams of concretes, 11- Guan Liangs reserving rib, 12- hanging plates,
13- support replacement plates backform, the double cement mixing methods of 14-, the pre-buried curved plate of 15- pile bodies, 16- walls reserve steel plate, the tops 17-
Portion's template location angle irons, 18- pile bodies reserve steel plate, 19 support replacement plate Integral Steel tendons skeletons, 20- support replacement plates bottom plate, 21-
Truss bracing members, 22- overhangings welding steel, 23- steel pipes, 24- cast-in-situ bored piles, 25- plain concretes load transfering strip, 26- yellow sands ram
Real backfill, the bases 27- stock mould, the prefabricated section of 28- preformed holes, 29- nuts, 30- seconds reinforced concrete support, 31-
Post-cast strip, 32- second layers basement bottom board, 33- second layers basement roof, 34- screw rods, 35- sole plates, 36- bed courses,
37- native soils, 38- are welded and fixed folder, 39 welding by both sides seams, 40- steel pipes fixes sleeve, 41- screw holes, 42- spiro rod caps, 43-
Post-cast strip both sides floor, 44- building blocks, 45- fixation steel plates, 46- main reinforcements, 47- pile rings muscle, 48- monolithic reinforced cages.
Specific implementation mode
The construction technical requirements such as steel-pipe welding and cutting, steel reinforcement cage binding, concrete placings in the utility model embodiment
It repeats no more, emphasis illustrates the embodiment that the utility model deep foundation pit reinforced concrete support part changes structure, ties below
It closes attached drawing and invention is further described in detail by embodiment, which is not limited to following embodiment.
Deep foundation pit reinforced concrete support part as shown in Figure 1 changes structure chart, is mainly adopted including support replacement beam slab formwork
The backform overhanging of welding compression bar is used to shelve structure, the steel reinforcement cage of support replacement plate with the backform of overhanging formwork erecting structure, support replacement beam slab whole
It is body formed to lift the structure that separate type dowel bar structure is used into mould, post-cast strip (31).Hoist mechanism (5) is fixed on behaviour
Make on platform (4), which is provided with guardrail (6), compression bar (7) and support replacement plate backform (13) welding, compression bar (7) and hoist mechanism
(5) by bolted splice, support replacement plate backform (13) is shelved on top template location angle irons (17), top template location angle irons
(17) steel plate (16) is reserved with wall, pile body reserves steel plate (18) and carries out being formed by welding overhanging formwork erecting structure.The top of support replacement beam slab
Structure is shelved in mould overhanging, is by operating platform (4), hoist mechanism (5), guardrail (6), compression bar (7), support replacement plate backform
(13), wall reserves steel plate (16), top template location angle irons (17), pile body and reserves steel plate (18) composition, and operating platform (4) is set
On double cement mixing method (14) top, hoist mechanism (5) is fixed on operating platform (4), also for safe operation
Guardrail (6) need to be set, and compression bar (7) and support replacement plate backform (13) welding may be implemented to lift, compression bar (7) and hoist mechanism
(5) by bolted splice, support replacement plate backform (13) is shelved on top template location angle irons (17), top template location angle irons
(17) steel plate (16) is reserved with wall, pile body is reserved steel plate (18) and welded.Support replacement plate Integral Steel tendons skeleton (19) passes through
The hoist mechanism (5) of operating platform (4) is hung to be installed in support replacement plate bottom plate (20) position.Post-cast strip
(31) it is set at second layer basement bottom board (32), second layer basement roof sole plate (33) and sole plate (35),
Then the screw rod (34) of separate type is fastened by nuts (29) by holding out against the prefabricated section (28) of preformed hole, when dismounting,
Building block (44) need to only be broken into pieces, loose bolts cap (29), so that it may remove.
The pre-buried camber steel plate of pile body as shown in Figure 2 welds schematic diagram, includes mainly the pre-buried curved plate of pile body (15), stake
Main reinforcement (46), pile ring muscle (47), the monolithic reinforced cage of stake (48) composition, the circumferential welding stake main reinforcement (46) of pile ring muscle (47) are formed
The monolithic reinforced cage (48) of stake, the circumferential welding pre-buried arc-shaped steel of pile body on the pile ring muscle (47) on the outside of the monolithic reinforced cage of stake (48)
Plate (15).
Support replacement beam slab as shown in Figure 3 overhangs formwork erecting structure schematic diagram, includes mainly the pre-buried camber steel plate (15) of pile body, changes
Fagging bottom plate (20), truss bracing members (21), overhanging welding steel (22) and steel pipe (23), the pre-buried camber steel plate of pile body
(15) annular solder overhangs welding steel on the monolithic reinforced cage of stake (48) the outside pile ring muscle (47) of cast-in-situ bored pile (24)
(22) with the pre-buried camber steel plate (15) of pile body use two-sided welding, steel pipe (23) be used as interim bearing diagonal, one end by screw with
Overhang welding steel (22) to connect, the other end is connected by being welded on the screw below support replacement plate bottom plate (20), in order to protect
The stability for holding template is equipped with the support construction being made with truss bracing members (21) on steel pipe (23), and support one end is by setting
Steel pipe fixes sleeve (40) on steel pipe (23) is fixed, one end and is welded on overhanging welding steel (22) and is welded and fixed folder
(38) it connects.
Post-cast strip separate type dowel bar structure structural map as shown in Figure 4, main prefabricated section (28), the spiral shell for including preformed hole
Bolt cap (29), screw rod (34), spiro rod cap (42), building block (44) composition, the screw rod (34) of separation are embedded in post-cast strip both sides in advance
In floor (43), when transmission rod is installed, screw rod (34) is first attached with the prefabricated section (28) for being embedded in a preformed hole in advance respectively,
Then it is consolidated by nuts (29), is then blocked with building block (44), up and down and with screw rod (34) and spiro rod cap
(42) fixation steel plate (45) is clamped, and prevents from bursting.
Claims (8)
1. a kind of deep foundation pit reinforced concrete support part changes structure, including an at least support replacement panel assembly, cast-in-situ bored pile
(24) and outer wall of basement (8), which is characterized in that the support replacement panel assembly includes that knot is shelved in overhanging formwork erecting structure, backform overhanging
Structure, support replacement plate Integral Steel tendons skeleton (19), the support replacement plate Integral Steel tendons skeleton (19) setting in overhanging formwork erecting structure and
Between structure is shelved in backform overhanging, backform overhanging shelves structure setting above overhanging formwork erecting structure, the overhanging formwork erecting structure
It includes the pre-buried camber steel plate (15) of pile body, support replacement plate bottom plate (20), truss bracing members (21), overhanging welding steel (22) to be
With steel pipe (23), the cast-in-situ bored pile (24), pre-buried camber steel plate (15) annular solder of pile body is in cast-in-situ bored pile
(24) on, overhanging welding steel (22) uses two-sided welding, the support replacement plate bottom plate with the pre-buried camber steel plate (15) of pile body
(20) in one end connection cast-in-situ bored pile (24), the other end is connected in outer wall of basement (8), and described steel pipe (23) one end passes through
Screw is connect with overhanging welding steel (22), and the other end is connected by being welded on the screw below support replacement plate bottom plate (20),
Described truss bracing members (21) one end is connect with overhanging welding steel (22) by being welded and fixed folder (38), the other end and steel pipe
(23) it is fixedly connected by steel pipe fixes sleeve (40).
2. a kind of deep foundation pit reinforced concrete support part changes structure according to claim 1, it is characterised in that：Further include
Structure is shelved in double cement mixing method (14), backform overhanging, including operating platform (4), hoist mechanism (5),
Guardrail (6), compression bar (7), at least a support replacement plate backform (13), an at least wall reserve steel plate (16), an at least top template is determined
Parallactic angle steel (17), at least a pile body reserve steel plate (18), and operating platform (4) is located at double cement mixing method (14) top, rise
Hoisting machinery device (5) is fixed on operating platform (4), and the operating platform (4) is equipped with guardrail (6), compression bar (7) and crane
Tool device (5) is fixedly connected by bolted splice, compression bar (7) with support replacement plate backform (13), and the wall is reserved steel plate (16) and set
It sets in outer wall of basement (8), pile body reserves the corresponding wall of steel plate (18) and reserves steel plate (16) setting in cast-in-situ bored pile (24)
Interior, the top template location angle irons (17) reserve steel plate (16) with wall respectively, pile body is reserved steel plate (18) and connect, support replacement plate
Backform (13) is arranged on top template location angle irons (17).
3. changeing structure according to a kind of deep foundation pit reinforced concrete support part described in claim 2, it is characterised in that：The support replacement
Support replacement plate Integral Steel tendons skeleton (19), the support replacement plate backform are equipped between plate backform (13) and support replacement plate bottom plate (20)
(13) it is further filled with concrete between support replacement plate bottom plate (20).
4. a kind of deep foundation pit reinforced concrete support part changes structure, the cast-in-situ bored pile according to claim 1
(24) it is equipped with stake main reinforcement (46) and pile ring muscle (47), the circumferential welding stake main reinforcement (46) of the pile ring muscle (47) forms stake monoblock type
Steel reinforcement cage (48), it is circumferential on the pile ring muscle (47) on the outside of the monolithic reinforced cage of stake (48) to be welded with the pre-buried curved plate of pile body (15)
It connects.
5. a kind of deep foundation pit reinforced concrete support part changes structure according to claim 1, it is characterised in that：Further include
First of reinforced concrete support (9) and second reinforced concrete support (30), the cast-in-situ bored pile (24) are equipped with two
A beams of concrete (10) for corresponding to first of reinforced concrete support (9) and second reinforced concrete support (30) respectively, institute
State and be equipped with implantation muscle, hanging plate (12), Guan Liang reserving rib (11) in beams of concrete (10), first of reinforced concrete support (9) with
It is connect with the beams of concrete (10) being located on cast-in-situ bored pile (24) by being implanted into muscle, hanging plate (12), Guan Liang reserving rib (11), the
Two reinforced concrete supports (30) are connect with beams of concrete (10) by being implanted into muscle, hanging plate (12), Guan Liang reserving rib (11).
6. changeing structure according to a kind of deep foundation pit reinforced concrete support part described in claim 1, it is characterised in that：Further include
Two layers of basement bottom board (32), second layer basement roof sole plate (33), sole plate (35) are detached with three post-cast strips
Formula dowel bar structure (31), the second layer basement bottom board (32), second layer basement roof sole plate (33) and basis
Be equipped with preformed hole on bottom plate (35), the post-cast strip separate type dowel bar structure (31) include be arranged in preformed hole it is multiple
Prefabricated section (28), multiple nuts (29), multiple screw rods (34) and multiple fixation steel plates (45), after the screw rod (34) is embedded in advance
It pours in the floor (43) with both sides, screw rod (34) is connect with prefabricated section (28), and nuts (29) is connect with screw rod (34) to be consolidated
It ties, is blocked with building block (44) on the prefabricated section (28), divide into and be equipped with through screw rod (34) on the prefabricated section (28)
It is clamped with the fixation steel plate (45) of spiro rod cap (42).
7. a kind of deep foundation pit reinforced concrete support part changes structure according to claim 2, it is characterised in that：The behaviour
The ground (1) for making platform (4) side is equipped with jetting cement slope surface (3) and gutter (2).
8. a kind of deep foundation pit reinforced concrete support part changes structure according to claim 1, it is characterised in that：Describedly
It is equipped with sole plate (35) below lower room exterior wall (8), is provided between the sole plate (35) and cast-in-situ bored pile (24)
Plain concrete load transfering strip (25), plain concrete load transfering strip (25) lower section are equipped with basic stock mould (27) and yellow sand compacted backfill
(26), sole plate (35) has bed course (36), and bed course (36) is located above native soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432254.4U CN208072415U (en) | 2018-03-28 | 2018-03-28 | Deep foundation pit reinforced concrete support part changes structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432254.4U CN208072415U (en) | 2018-03-28 | 2018-03-28 | Deep foundation pit reinforced concrete support part changes structure |
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| Publication Number | Publication Date |
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| CN208072415U true CN208072415U (en) | 2018-11-09 |
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| CN201820432254.4U Active CN208072415U (en) | 2018-03-28 | 2018-03-28 | Deep foundation pit reinforced concrete support part changes structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074905A (en) * | 2020-01-10 | 2020-04-28 | 广西建工集团联合建设有限公司 | Early-dismantling structure and construction method for bottom layer support beam of inner support system of deep foundation pit |
| CN111456025A (en) * | 2020-04-09 | 2020-07-28 | 中建八局天津建设工程有限公司 | Combined support replacing and dismantling construction method for ultra-deep foundation pit |
| CN111519634A (en) * | 2020-04-30 | 2020-08-11 | 中国一冶集团有限公司 | Temporary support replacing structure and support disassembling and replacing construction method |
| CN111945739A (en) * | 2020-07-23 | 2020-11-17 | 中亿丰建设集团股份有限公司 | Bottom stuffy-dismantling method for concrete supporting plate of deep foundation pit near rail |
-
2018
- 2018-03-28 CN CN201820432254.4U patent/CN208072415U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074905A (en) * | 2020-01-10 | 2020-04-28 | 广西建工集团联合建设有限公司 | Early-dismantling structure and construction method for bottom layer support beam of inner support system of deep foundation pit |
| CN111456025A (en) * | 2020-04-09 | 2020-07-28 | 中建八局天津建设工程有限公司 | Combined support replacing and dismantling construction method for ultra-deep foundation pit |
| CN111519634A (en) * | 2020-04-30 | 2020-08-11 | 中国一冶集团有限公司 | Temporary support replacing structure and support disassembling and replacing construction method |
| CN111519634B (en) * | 2020-04-30 | 2022-05-10 | 中国一冶集团有限公司 | Support removing and replacing construction method of temporary support replacing structure |
| CN111945739A (en) * | 2020-07-23 | 2020-11-17 | 中亿丰建设集团股份有限公司 | Bottom stuffy-dismantling method for concrete supporting plate of deep foundation pit near rail |
| CN111945739B (en) * | 2020-07-23 | 2022-03-08 | 中亿丰建设集团股份有限公司 | Bottom stuffy-dismantling method for concrete supporting plate of deep foundation pit near rail |
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Effective date of registration: 20191122 Address after: 253000 Dongcheng International Building, 38 East Road, Dezhou economic and Technological Development Zone, Shandong Patentee after: SHANDONG DEJIAN GROUP Co.,Ltd. Address before: 310015, room 3, unit 3, Gongshu District Wanda Commercial Center, Hangzhou, Zhejiang 1901, China Patentee before: HANGZHOU JIANGRUN TECHNOLOGY Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 253000 Dongcheng international building, Sanba East Road, Dezhou Economic and Technological Development Zone, Shandong Province Patentee after: Shandong Expressway Dejian Group Co.,Ltd. Address before: 253000 Dongcheng international building, Sanba East Road, Dezhou Economic and Technological Development Zone, Shandong Province Patentee before: SHANDONG DEJIAN GROUP Co.,Ltd. |
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