CN207405633U - Foundation pit of the Fei Shou roads support with dynamic stress regulatory function - Google Patents
Foundation pit of the Fei Shou roads support with dynamic stress regulatory function Download PDFInfo
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- CN207405633U CN207405633U CN201721367107.5U CN201721367107U CN207405633U CN 207405633 U CN207405633 U CN 207405633U CN 201721367107 U CN201721367107 U CN 201721367107U CN 207405633 U CN207405633 U CN 207405633U
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- support
- supporting plate
- foundation pit
- fei
- regulatory function
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Abstract
The utility model discloses foundation pit of the Fei Shou roads support with dynamic stress regulatory function, and including several internal supports, inside support, which disconnects being equipped with close to centre position, answers apparatus for adjusting force；Apparatus for adjusting force is answered to include, and top is outer to choose supporting plate, sliding bearing and jack；Outer supporting plate of choosing includes the connecting portion being fixedly connected with steel column upper end and plate-like supporting plate；The corresponding inside support disconnected of supporting plate the upper surface of is equipped with sliding bearing, for holding internal support；Jack is arranged at internal support gap.During construction, after steel column is set, internal support corresponding position is excavated to, set in its top side it is outer chooses supporting plate and sliding bearing, pour supported inside phase when, just disconnected, and pre-embedded steel slab is set on section, jack is set in its gap after the completion of inside supports.The utility model overcomes the defects of inner concrete is supported on to environmental protection control aspect, while can also compensate concrete support in super foundation and shrink the adverse effect generated.
Description
Technical field
The utility model is related to foundation pit building technology fields, and more particularly to Fei Shou roads support is with dynamic stress regulatory function
Foundation pit.
Background technology
In recent years, with the fast development of city development construction, the scarcity of city space and land resource becomes increasingly conspicuous,
Especially in economically developed, heavy traffic large and medium-sized city, including underground space synthesis, subway station, underground garage,
All kinds of underground space construction including underground substation, underground pump station, civil air defense constructions and installations, street crossing tunnel etc. are just built in high gear
In.It builds the corresponding base pit engineering of underground space institute and is faced with that plane scale is big, cutting depth is deep, construction site is narrow and small, periphery
Nearly four main trend of object distance is protected, is advocating people-oriented, harmonious development today, strictly controls foundation pit deformation, realization pair
Effective protection of surrounding enviroment is the task that engineering construction person must complete.
At present in base pit engineering industry, wide Large Foundation Pit or the irregular foundation pit of flat shape, along foundation pit vertically from upper and
Other supports outside the support of Xia Chushou roads, are also provided good generally using reinforced concrete support for entire foundation pit system
Good overall stiffness.However, Fei Shou roads concrete support due to bearing position is deep, bears soil pressure is very big, itself construction when
Between it is long, current Fei Shou roads concrete support can not but be applied as bracing members by segmented head and jack adjustable in addition
Dynamic stress, and can only first be deformed and be inwardly compressed by the building enclosure of foundation pit, then concrete support is passively held
The soil pressure come by transmission.So not only sacrificing to a certain degree influences surrounding enviroment the effect of control, but also when foundation pit is sent out
During raw alarm dangerous situation, can not dangerous situation control be carried out by the measure taken support and intervened.Current deep basal pit Fei Shou roads coagulation
Soil is supported on has the defects of being badly in need of solving to environmental protection control aspect.
Therefore, how effectively to solve the above problems, further improve the function of deep basal pit Fei Shou roads concrete support, expand
The application range of concrete support improves control foundation pit deformation ability, is current engineering circles thorny problem urgently to be resolved hurrily.
Utility model content
In view of the drawbacks described above of the prior art, the first purpose that the utility model is realized is to realize coagulation inside foundation pit
Soil be supported on vertical applied force it is still safe and reliable on the premise of, horizontal direction stress dynamically apply in real time and support axial stretching can
Control adjustment.
To achieve the above object, the utility model discloses Fei Shou roads to support the foundation pit with dynamic stress regulatory function,
Several horizontally disposed supports are vertically equipped in the foundation pit, are connected in several supports positioned at the foundation pit with ground
The support at place is the support of first road, and all supports positioned at the first road support lower section are internal support, Ji Feishou roads branch
Support.
Wherein, each internal support disconnects forming left partly support and right half support close to centre position, and described left half
It is equipped between support and right half support and answers apparatus for adjusting force.
Described to answer apparatus for adjusting force, nationality is vertically arranged in steel column in the foundation pit by one, is fixed in the foundation pit.
Apparatus for adjusting force is answered to include choosing supporting plate, sliding bearing and jack outside described in each.
Each outer supporting plate of choosing includes the connecting portion being fixedly connected with steel column side corresponding position, Yi Jiyu
The corresponding steel column is vertical and supports the supporting plate that the underface of center off position extends to the accordingly inside.
Each supporting plate corresponds to corresponding left half support and corresponding described right half and supports close to the position of gap
It puts and is respectively equipped with the sliding bearing, it is each described outer to choose supporting plate equal nationality phase is held by corresponding two sliding bearings respectively
Left half support and corresponding described right half answered support.
A pre-embedded steel slab is equipped on the section of left half support and the right half support gap, every two pieces described pre-
It buries and is equipped with the jack between steel plate.
Preferably, each outer choose is equipped with triangle reinforcement branch between the connecting portion of supporting plate and the supporting plate
Support.
Preferably, the steel column is steel lattice column, H profile steel column or steel pipe rod structure.
Preferably, the sliding bearing is made of tetrafluoride material, is connect above with left half support and right half support
The horizontal coefficient of friction of contact portion point is 0.02.
Preferably, the pre-embedded steel slab is made of Q235B materials, thickness 8mm.
The beneficial effects of the utility model：
The utility model overcomes Fei Shou roads concrete support to environmental protection control aspect the defects of, while can also mend
It repays concrete support in super foundation and shrinks the adverse effect generated, have a good application prospect in base pit engineering, especially
It is suitble to foundation pit periphery protection building, down town city that underground utilities are intensive, traffic above-ground is busy etc. that there is stringent ecology to protect
The region of requirement is protected, the construction means of underground engineering has effectively been expanded, has promoted technical progress of industry, there is good economy, society
It can benefit.
The technique effect of the design of the utility model, concrete structure and generation is made furtherly below with reference to attached drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Description of the drawings
Fig. 1 shows the structure diagram of one embodiment of the utility model.
Fig. 2 shows the partial enlargement structural representation at A in Fig. 1.
Fig. 3 shows to complete the view that steel column is set in one embodiment of the utility model.
Fig. 4 shows to complete the outer view for choosing supporting plate setting in one embodiment of the utility model.
Fig. 5 shows that Fig. 4 China and foreign countries choose the partial enlargement structural representation at supporting plate.
Fig. 6 shows to complete the view that sliding bearing is set in one embodiment of the utility model.
Fig. 7 shows that Fig. 6 China and foreign countries choose the partial enlargement structural representation at supporting plate.
Fig. 8 goes out in one embodiment of the utility model to complete the view that first of inside support pours.
Fig. 9 shows that Fig. 8 China and foreign countries choose the partial enlargement structural representation at supporting plate.
Specific embodiment
Embodiment
As depicted in figs. 1 and 2, foundation pit of the Fei Shou roads support with dynamic stress regulatory function, in foundation pit vertically
Equipped with several horizontally disposed supports, support of several support middle positions in foundation pit Yu 9 junction of ground is first road support, positioned at first road
All supports of support lower section are internal support 1.
Wherein, each internal support 1 disconnects forming left half support 12 and right half support 11 close to centre position, and left half supports
It is equipped between 12 and right half support 11 and answers apparatus for adjusting force 3.
Answer apparatus for adjusting force 3, nationality is vertically arranged in steel column 2 in foundation pit by one, is fixed in foundation pit.
It is each that apparatus for adjusting force 3 is answered to include choosing supporting plate 31, sliding bearing 32 and jack 33 outside.
It is each it is outer choose supporting plate 31 include the connecting portion being fixedly connected with 2 side corresponding position of steel column and with it is corresponding
Steel column is vertical and the supporting plate of the underface extension of 1 center off position is supported to respective inner.
Each supporting plate corresponds to corresponding left half support 12 and corresponding right half support 11 is set respectively close to the position of gap
There is sliding bearing 32, each outer 31 equal nationality of supporting plate of choosing holds corresponding left half support 12 respectively by corresponding two sliding bearings 32
With corresponding right half support 11.
A pre-embedded steel slab 13, every two pieces of pre-embedded steel slabs are equipped on the section of 11 gaps of left half support 12 and right half support
Jack 33 is equipped between 13.
The principle of the utility model is, creatively summarizes and forms a kind of deep basal pit Fei Shou roads concrete support application
The construction method of dynamic stress, this method utilize the side for the interim steel column for being used to support concrete support dead weight in foundation pit
The outer supporting plate that caunches for being fixed with sliding bearing is set, and holds out against the branch for being divided into two absolute construction sections at the supporting plate with jack
Support, realize Fei Shou roads concrete support vertical applied force it is still safe and reliable on the premise of, horizontal direction stress dynamically applies in real time
With the controllable adjustment of support axial stretching.
Preferably, it is equipped with triangle between each outer connecting portion and supporting plate for choosing supporting plate 31 and strengthens support.
Preferably, steel column 2 is steel lattice column, H profile steel column or steel pipe rod structure.
Preferably, sliding bearing 32 is made of tetrafluoride material, supports 12 and 11 contact portions of right half support with left half above
Horizontal coefficient of friction be 0.02.
Preferably, pre-embedded steel slab 13 is made of Q235B materials, thickness 8mm.
The utility model also provides a kind of construction method of foundation pit of the Fei Shou roads support with dynamic stress regulatory function, step
It is rapid as follows：
A, as shown in figure 3, setting building enclosure, stand column pile and the steel column 2 of foundation pit；
The first road support of foundation pit is set between foundation pit and ground 9 B,；
C, as shown in Figure 4 and Figure 5, topsoil is excavated to the position of next support, is excavated positioned at the position of steel column 2
One pit with choosing the matching of supporting plate 31 outside, setting is outer to choose supporting plate 31；
D, as shown in Figure 6 and Figure 7, the installation sliding bearing 32 on supporting plate 31 is chosen outside；
E, as shown in Figure 8 and Figure 9, casting concrete completes the making of internal support 1, disconnects forming left half in predeterminated position
Support 12 and right half support 11, are loaded in corresponding sliding bearing 32, pre-embedded steel slab 13 are set in casting process；
Jack 33 is set between two pre-embedded steel slabs 13 F,；
G, step C to F is repeated, until all inside supports 1 are completed.
Preferably, in step C, the bottom boundary of pit puts 200mm outside for steel column outer profile.
Preferably, in step C, supporting plate 31 is chosen outside and is arranged at welding manner on steel column 2.
Using the construction method of the utility model, not only before foundation pit carries out next step excavation, inside support 1 can be as general
Logical bracing members equally apply the required prestressing force of design in advance, can effectively control initial stage foundation pit deformation.
Moreover, even if dangerous situation occurs for foundation pit, inside support 1 can also be according to real-time monitoring data, by adjusting jack
33 jacking force size adjusts the actual axle power of the support, effective guarantee deep pit monitor in time.
Also, for concrete support shrinkage in super foundation building enclosure can be caused to be forced inwardly to receive and generated additional
Foundation pit deformation, when using this method, the gap value that can be also disconnected by the support of increased this road of jack 33 be compensated by
It offsets.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (5)
1. the support of Fei Shou roads carries the foundation pit of dynamic stress regulatory function, vertically set in the foundation pit equipped with several levels
Support is put, the support that the foundation pit and ground (9) junction are located in several supports is that first road supports, positioned at the first road
All supports of support lower section are internal support (1)；It is characterized in that：
Each internal support (1) disconnects forming left half support (12) and right half support (11), the left side close to centre position
It is equipped between half support (12) and right half support (11) and answers apparatus for adjusting force (3)；
Described to answer apparatus for adjusting force (3), nationality is vertically arranged in steel column (2) in the foundation pit by one, is fixed on the foundation pit
It is interior；
Apparatus for adjusting force (3) is answered to include choosing supporting plate (31), sliding bearing (32) and jack (33) outside described in each；
Each outer supporting plate (31) of choosing includes the connecting portion being fixedly connected with the steel column (2) side corresponding position, with
And supporting plate that is vertical with the corresponding steel column and extending to the underface of corresponding described internal support (1) center off position；
Each supporting plate corresponds to corresponding left half support (12) and corresponding right half support (11) close to gap
Position be respectively equipped with the sliding bearing (32), each outer supporting plate (31) nationality of choosing is by the corresponding two slide plate branch
Seat (32) holds corresponding left half support (12) and corresponding right half support (11) respectively；
Half support (12) of a left side and the right side half support and a pre-embedded steel slab (13) are equipped on the section of (11) gap, and every two
The jack (33) is equipped between pre-embedded steel slab described in block (13).
2. foundation pit of the Fei Shou roads support with dynamic stress regulatory function according to claim 1, it is characterised in that：It is each
Outer choose is equipped with triangle reinforcement support between the connecting portion of supporting plate (31) and the supporting plate.
3. foundation pit of the Fei Shou roads support with dynamic stress regulatory function according to claim 1, it is characterised in that：It is described
Steel column (2) is steel lattice column, H profile steel column or steel pipe rod structure.
4. foundation pit of the Fei Shou roads support with dynamic stress regulatory function according to claim 1, it is characterised in that：It is described
Sliding bearing (32) is made of tetrafluoride material, supports (11) contact portion with half support (12) of a left side and described right half above
Horizontal coefficient of friction is 0.02.
5. foundation pit of the Fei Shou roads support with dynamic stress regulatory function according to claim 1, it is characterised in that：It is described
Pre-embedded steel slab (13) is made of Q235B materials, thickness 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367107.5U CN207405633U (en) | 2017-10-23 | 2017-10-23 | Foundation pit of the Fei Shou roads support with dynamic stress regulatory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367107.5U CN207405633U (en) | 2017-10-23 | 2017-10-23 | Foundation pit of the Fei Shou roads support with dynamic stress regulatory function |
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| CN207405633U true CN207405633U (en) | 2018-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558478A (en) * | 2017-10-23 | 2018-01-09 | 上海市城市建设设计研究总院（集团）有限公司 | Foundation ditch and construction method of the support of Fei Shou roads with dynamic stress regulatory function |
-
2017
- 2017-10-23 CN CN201721367107.5U patent/CN207405633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558478A (en) * | 2017-10-23 | 2018-01-09 | 上海市城市建设设计研究总院（集团）有限公司 | Foundation ditch and construction method of the support of Fei Shou roads with dynamic stress regulatory function |
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