CN203741871U - Underground space building structure - Google Patents
Underground space building structure Download PDFInfo
- Publication number
- CN203741871U CN203741871U CN201420044337.8U CN201420044337U CN203741871U CN 203741871 U CN203741871 U CN 203741871U CN 201420044337 U CN201420044337 U CN 201420044337U CN 203741871 U CN203741871 U CN 203741871U
- Authority
- CN
- China
- Prior art keywords
- pile body
- presstressed reinforcing
- bearing structure
- reinforcing steel
- underground space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 40
- 239000004567 concrete Substances 0.000 claims description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 4
- 210000003050 axon Anatomy 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to an underground space building structure. The underground space building structure comprises a space bottom used as a building foundation and a space top connected with the ground. The space top is at least provided with a first part used for bearing large pressure and a second part used for bearing small pressure, and the difference value of the first force difference between the buoyancy and pressure borne by the second part and the second force difference between the buoyancy and pressure borne by the first part is larger than the maximum breaking-resistant strength of the joint position of the two parts. A first pile body set and a second pile body set are further included, the first pile body set and the second pile body set are arranged under the first part and the second part respectively and used for supporting and fixing the first part and the second part respectively, and therefore it is guaranteed that the force difference of the buoyancy and pressure borne by the second part is smaller than the maximum breaking-resistant strength and the maximum tensile resistance of the second pile body set.
Description
Technical field
The utility model relates to a kind of building structure, particularly a kind of underground space building structure.
Background technology
At present, along with the development of economic society, increasing highrise building appears in the middle of our city, but along with the increase of building quantity in the middle of city, available space is more and more in short supply, and just because of so, the development and utilization of the underground space has more and more been obtained attention.As shown in Figure 1, the common underground space 9, all be positioned at high-rise building 14 under, and there is darker longitudinal space, the underground space 9 generally includes as the space bottom 11 of ground and the top of space 10 of joining with ground, some pile body one end of stretching in soil are supported and fix bottom, described space, the other end is deep into underground being supported on rock stratum 15, and the top of space that carries above-ground structures or other object can be supported on bottom, described space 11 by column 12.In the time that bottom, described space 11 has been subject to different downward pressures, can there is the Part I 17 that bears heavier pressure and the Part II 18 that bears lighter pressure.But, the underground space 9 has formed Ship Structure in soil, owing to thering is moisture content in soil, this soil with moisture can produce buoyancy to the underground space of Ship Structure 9, the buoyancy that described Part II 18 is subject to and the difference of pressure are first definitely stressed, the buoyancy that described Part I 17 is subject to and the difference of pressure are second definitely stressed, in the time of the maximum fracture resistence force at the described first definitely stressed and the second absolute poor junction surface that is greater than two parts of power between stressed, this Part I 17 and Part II 18 in the vertical direction generation relative displacements, junction surface B point place there will be situation about fractureing as the position the most easily fractureing, wherein, to be space bottom 11 be not subject to any pressure and buoyancy time space bottom 11 can keep the maximum, force of not finding that fracture can bear to this maximum fracture resistence force.The use of conventional pile body 13 can be by preventing that by the mode pulling Part I 71 from Part II 18, relative length travel occurring to bottom, space 11, but, conventional pile body 13 tension cracking resistances are poor, and meeting is in the vertical direction generation cracking situation because the underground space 9 buoyancy are excessive, this be because conventional pile body excessive under the effect of buoyancy, the effect of the inner reinforcing bar tension of conventional pile body 13 power is extended, and pile body cracking of reinforced concrete is poor, thereby can cause pile body to occur cracking.Excessive by drawing crack because of buoyancy in order to prevent pile body, in existing form of construction work, conventionally adopt the mode that increases pile body, or adopt and there is the pile body of more reinforcing bar, thereby prevent that pile body is by drawing crack.
But, the quantity that rolls up conventional pile body can cause construction period long and improve building costs, if in the situation that not increasing pile body quantity, increases the reinforcing bar number of pile body inside, although also can improve pile body crack resistance, increase reinforcing bar number and also can increase building costs.
Utility model content
For this reason, the technical problems to be solved in the utility model is, propose a kind of bottom, space point that can avoid the underground space that is subject to different downward pressures and occur fracture, and accelerating construction progress and the underground space building structure that reduces costs largely.
Underground space building structure of the present utility model, comprising:
As the bottom, space of building lot and the top of space of joining with ground, described top of space at least has the Part I that bears heavier pressure and the Part II that bears lighter pressure; Difference between the second power between buoyancy and pressure that the poor and described Part I of the first power between the buoyancy that wherein said Part II is subject to and pressure is subject to is poor is greater than the maximum fracture resistence force at the junction surface of two parts;
Also comprise the first pile body group and the second pile body group, be arranged at respectively described Part I and described Part II vertically below, and respectively described Part I and described Part II supported and fixed, thereby guaranteeing the poor maximum stretching resistance that is less than described maximum fracture resistence force and described the second pile body group of power of the suffered buoyancy of Part II and the pressure that is subject to;
Wherein, described the second pile body group comprises some comprehensive function pile bodies, and described comprehensive function pile body comprises concrete pile body, and described concrete pile body has top and bottom; Also comprise bearing structure, described bearing structure is located at the top of described concrete pile body; In described concrete pile body, be provided with reinforcing cage and presstressed reinforcing steel, wherein, one end of described presstressed reinforcing steel is fixed on described reinforcing cage one end near described concrete pile body bottom, and the other end of described presstressed reinforcing steel is anchored on described bearing structure; Described presstressed reinforcing steel, in tensile state, is realized the compression to concrete pile body by described bearing structure.
Above-mentioned underground space building structure, described presstressed reinforcing steel is some, and along described concrete pile axon to being evenly arranged.
Above-mentioned underground space building structure, is attached with separation layer on described presstressed reinforcing steel, and described separation layer carries out physical isolation to described presstressed reinforcing steel and described concrete pile body, thereby after making bearing structure reach the length of time, described presstressed reinforcing steel can be by tension.
Above-mentioned underground space building structure, described bearing structure inside is provided with sheet steel pipe and steel mesh reinforcement, and described sheet steel pipe is connected with described bearing structure and described steel mesh reinforcement stationary positioned, and wherein, described presstressed reinforcing steel is located at described sheet steel pipe inside.
Above-mentioned underground space building structure, described presstressed reinforcing steel is steel tendon, steel strand or cable wire rope.
Above-mentioned underground space building structure, described bearing structure is cushion cap, described cushion cap comprises concrete floor and concrete cushion; Described bearing structure is provided with for presstressed reinforcing steel being anchored in to the fixed part on described bearing structure.
Above-mentioned underground space building structure, described bearing structure is base plate.
The utility model has the following advantages with respect to prior art:
1. below described Part I, be provided for the first pile body group that described Part I is supported and fixed, and below described Part II, be provided for the second pile body group that described Part II is supported and fixed, thereby guarantee the poor maximum stretching resistance that is less than described maximum fracture resistence force and described the second pile body group of power of the suffered buoyancy of Part II and the pressure that is subject to; Described the second pile body group comprises some comprehensive function pile bodies, and described comprehensive function pile body comprises concrete pile body, and described concrete pile body has top and bottom; Also comprise bearing structure, described bearing structure is located at the top of described concrete pile body; In described concrete pile body, be provided with reinforcing cage and presstressed reinforcing steel, wherein, one end of described presstressed reinforcing steel is fixed on described reinforcing cage one end near described concrete pile body bottom, and the other end of described presstressed reinforcing steel is anchored on described bearing structure; Described presstressed reinforcing steel, in tensile state, is realized the compression to concrete pile body by described bearing structure.More than in design, in comprehensive function pile body, add presstressed reinforcing steel, even while being subject to larger longitudinal pulling force, due to the effect of presstressed reinforcing steel, can prevent well that the reinforcing bar of pile body inside from extending, thereby can greatly strengthen the tension cracking resistance of pile body; And in the time that bottom, described space at least has the maximum fracture resistence force at the Part II that bears the Part I of heavier pressure and bear lighter pressure and the described first definitely stressed and the second absolute poor junction surface that is greater than two parts of power between stressed, this pile body is set under the Part II that is subject to lighter pressure, can reduce under the prerequisite of pile body quantity compared to existing technology, can effectively prevent that the situation of fracture occurs at the junction surface of described Part I and described Part II, and then under the prerequisite of guaranteeing workmanship, the construction speed of greatly having accelerated and reduce construction cost.
2. what the construction method more than was carried out comprehensive function stake by the mode of in-site pouring waters post pile, can greatly increase the anti-floating performance of pile body in soil inside, in addition, reach after design age at concrete, by anchor undercut seat adopt a tension equipment presstressed reinforcing steel is carried out to tension, the tension crack resistance of comprehensive function stake can be under the prerequisite that does not increase reinforcing bar use amount, effectively increased, the manufacturing cost with high tensile crack resistance comprehensive function pile body can be greatly saved.Therefore this comprehensive function stake, providing in the utility model can and possess good anti-floating performance and tension cracking resistance in original better pressure resistance simultaneously.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is the structural representation of the underground space in prior art;
Fig. 2 is the structural representation of the underground space of the utility model the first embodiment;
Fig. 3 is the structural representation of the utility model comprehensive function pile body;
Detailed description of the invention
Embodiment 1
As shown in Figure 2, a kind of underground space building structure, comprising:
As the space bottom 11 of building lot and the top of space 10 of joining with ground, described top of space 10 at least has the Part I 17 that bears heavier pressure and the Part II 18 that bears lighter pressure; Difference between the second power between buoyancy and pressure that the poor and described Part I of the first power between the buoyancy that wherein said Part II is subject to and pressure is subject to is poor is greater than the maximum fracture resistence force at the junction surface of two parts;
Also comprise the first pile body group 13 and the second pile body group 16, be arranged at respectively described Part I 17 and described Part II 18 vertically below, and respectively described Part I 17 and described Part II 18 supported and fixed, thereby guaranteeing the poor maximum stretching resistance that is less than described maximum fracture resistence force and described the second pile body group of power of the suffered buoyancy of Part II and the pressure that is subject to;
Wherein, described the second pile body group 16 comprises some comprehensive function pile bodies, and as shown in Figure 3, described comprehensive function pile body comprises concrete pile body 1, and described concrete pile body 1 has top and bottom; Also comprise bearing structure, described bearing structure is located at the top of described concrete pile body 1; In described concrete pile body 1, be provided with reinforcing cage 8 and presstressed reinforcing steel 2, wherein, one end of described presstressed reinforcing steel 2 is fixed on described reinforcing cage 8 one end near described concrete pile body 1 bottom, and the other end of described presstressed reinforcing steel 2 is anchored on described bearing structure; Described presstressed reinforcing steel 2, in tensile state, is realized the compression to concrete pile body 1 by described bearing structure.
Described underground space building structure, described presstressed reinforcing steel is some, and along described concrete pile axon to being evenly arranged.
On described presstressed reinforcing steel, be attached with separation layer, described separation layer carries out physical isolation to described presstressed reinforcing steel 2 with described concrete pile body 1, thereby after making bearing structure reach the length of time, described presstressed reinforcing steel 2 can be by tension.
Described bearing structure inside is provided with sheet steel pipe 5 and steel mesh reinforcement (not marking) herein, and described sheet steel pipe 5 is connected with described bearing structure and described steel mesh reinforcement stationary positioned, and wherein, described presstressed reinforcing steel 2 is located at described sheet steel pipe 5 inside.
Described presstressed reinforcing steel 2 is steel tendon, steel strand or cable wire rope.
Described bearing structure is cushion cap, and described cushion cap comprises concrete floor 3 and concrete cushion 4; Described bearing structure is provided with for presstressed reinforcing steel 2 being anchored in to the fixed part 6 on described bearing structure, and described fixed part is pre-buried can 7.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And among the protection domain that the apparent variation of being extended out thus or variation are still created in the utility model.
Claims (7)
1. a underground space building structure, is characterized in that comprising:
As the bottom, space of building lot and the top of space of joining with ground, described top of space at least has the Part I that bears heavier pressure and the Part II that bears lighter pressure; Difference between the second power between buoyancy and pressure that the poor and described Part I of the first power between the buoyancy that wherein said Part II is subject to and pressure is subject to is poor is greater than the maximum fracture resistence force at the junction surface of two parts;
Also comprise the first pile body group and the second pile body group, be arranged at respectively described Part I and described Part II vertically below, respectively described Part I and described Part II supported and fixed, thereby guaranteeing the poor maximum stretching resistance that is less than described maximum fracture resistence force and described the second pile body group of power of the suffered buoyancy of described Part II and the pressure that is subject to;
Wherein, described the second pile body group comprises some comprehensive function pile bodies, and described comprehensive function pile body comprises concrete pile body, and described concrete pile body has top and bottom; Also comprise bearing structure, described bearing structure is located at the described top of described concrete pile body; In described concrete pile body, be provided with reinforcing cage and presstressed reinforcing steel, wherein, one end of described presstressed reinforcing steel is fixed on described reinforcing cage one end near the described bottom of described concrete pile body, and the other end of described presstressed reinforcing steel is anchored on described bearing structure; Described presstressed reinforcing steel, in tensile state, is realized the compression to described concrete pile body by described bearing structure.
2. underground space building structure according to claim 1, is characterized in that:
Described presstressed reinforcing steel is some, and along described concrete pile axon to being evenly arranged.
3. underground space building structure according to claim 1 and 2, it is characterized in that: on described presstressed reinforcing steel, be attached with separation layer, described separation layer carries out physical isolation to described presstressed reinforcing steel and described concrete pile body, thereby after making described bearing structure reach the length of time, described presstressed reinforcing steel can be by tension.
4. underground space building structure according to claim 3, it is characterized in that: described bearing structure inside is provided with sheet steel pipe and steel mesh reinforcement, described sheet steel pipe is connected with described bearing structure and described steel mesh reinforcement stationary positioned, and wherein, described presstressed reinforcing steel is located at the inside of described sheet steel pipe.
5. underground space building structure according to claim 4, is characterized in that: described presstressed reinforcing steel is steel tendon, steel strand or cable wire rope.
6. underground space building structure according to claim 5, is characterized in that: described bearing structure is cushion cap, and described cushion cap comprises concrete floor and concrete cushion; Described bearing structure is provided with for described presstressed reinforcing steel is anchored in to the fixed part on described bearing structure.
7. underground space building structure according to claim 6, is characterized in that: described bearing structure is base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044337.8U CN203741871U (en) | 2014-01-24 | 2014-01-24 | Underground space building structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044337.8U CN203741871U (en) | 2014-01-24 | 2014-01-24 | Underground space building structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203741871U true CN203741871U (en) | 2014-07-30 |
Family
ID=51341692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044337.8U Expired - Lifetime CN203741871U (en) | 2014-01-24 | 2014-01-24 | Underground space building structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203741871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256829A (en) * | 2014-01-24 | 2016-01-20 | 刘献刚 | Building structure of underground space |
-
2014
- 2014-01-24 CN CN201420044337.8U patent/CN203741871U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256829A (en) * | 2014-01-24 | 2016-01-20 | 刘献刚 | Building structure of underground space |
| CN105256827A (en) * | 2014-01-24 | 2016-01-20 | 刘献刚 | Building structure of underground space |
| CN105256825A (en) * | 2014-01-24 | 2016-01-20 | 刘献刚 | Building structure of underground space |
| CN105256828A (en) * | 2014-01-24 | 2016-01-20 | 刘献刚 | Building structure of underground space |
| CN105256826A (en) * | 2014-01-24 | 2016-01-20 | 刘献刚 | Building structure of underground space |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |