CN203373772U - Foundation structure of reinforced concrete drainage pipeline under condition of soft soil foundation - Google Patents
Foundation structure of reinforced concrete drainage pipeline under condition of soft soil foundation Download PDFInfo
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- CN203373772U CN203373772U CN201320468344.6U CN201320468344U CN203373772U CN 203373772 U CN203373772 U CN 203373772U CN 201320468344 U CN201320468344 U CN 201320468344U CN 203373772 U CN203373772 U CN 203373772U
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- drainage pipe
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 51
- 239000002689 soil Substances 0.000 title abstract description 7
- 239000004576 sand Substances 0.000 claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 10
- 238000011065 in-situ storage Methods 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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Abstract
The utility model discloses a foundation structure of a reinforced concrete drainage pipeline under the condition of a soft soil foundation. The foundation structure comprises a plurality of reinforced concrete strip foundation sections and medium sand filling connecting sections. The reinforced concrete strip foundation sections are arranged below the drainage pipeline, the medium sand filling connecting sections are arranged below socket-and-spigot ports or rabbets, and the socket-and-spigot ports or rabbets are arranged between pipe sections of the drainage pipeline for connection. The reinforced concrete strip foundation sections are sequentially connected in series through the medium sand filling connecting sections, and each reinforced concrete strip foundation section is of a three-layer structure, wherein the three-layer structure comprises a concrete cushion layer, a first cast-in-place layer and a second cast-in-place layer in sequence from bottom to top. According to the foundation structure of the reinforced concrete drainage pipeline under the condition of the soft soil foundation, the reinforced concrete strip foundation sections are sequentially connected in series through the medium sand filling connecting sections, shape changes caused by differential settlement can be concentrated on the medium sand filling connecting sections, rubber ring connectors matched between the pipe sections of the drainage pipeline can bear certain shape changes, and therefore the defects that that under the condition of the soft soil foundation, a foundation of the reinforced concrete pipeline breaks due to differential settlement, and consequently the drainage pipe is damaged and leaks water are effectively overcome.
Description
Technical field
The utility model relates to the technical field of underground foundation structure, relates in particular to the foundation structure of reinforced concrete drainage pipe under a kind of soft foundation.
Background technology
Under weak soil (soft layers such as mud, mucky soil) ground or uneven strata condition, the reinforced concrete drainage pipe basis is general adopts continuous reinforced concrete strip foundation, and connects general bell and spigot or the tongue and groove that adopts rubber ring to connect between pipeline section.
Under regular situation, in order to guarantee body stability, reinforced concrete foundation adopts 120 ° or 180 ° of basic patterns, and pipeline and basis basically form an integral body.Reinforced concrete foundation is rigid foundation, may be due to differential settlement under Soft Soil local fracture, if fracture occurs between pipeline section, because basis and pipeline are integrated, also can cause the tubing fracture damage, cause drainage pipe to leak.
Those skilled in the art is devoted to develop the foundation structure of reinforced concrete drainage pipe under a kind of soft foundation always, overcome under soft foundation and rupture because differential settlement causes the reinforced concrete pipiline basis, and then cause the defect of drainage pipe damage, pipe leakage.
The utility model content
Because the above-mentioned deficiency of prior art, the utility model proposes the foundation structure of reinforced concrete drainage pipe under a kind of soft foundation, overcome under soft foundation and rupture because differential settlement causes the reinforced concrete pipiline basis, and then cause the defect of drainage pipe damage, pipe leakage.
For achieving the above object, the utility model provides the foundation structure of reinforced concrete drainage pipe under a kind of soft foundation, comprise that some sections are arranged on the reinforced concrete strip foundation sections of described drainage pipe below and are arranged on the bell and spigot that connects between the pipeline section of described drainage pipe or the medium sand of tongue and groove below tamps linkage section, described reinforced concrete strip foundation sections tamps linkage section by described medium sand and connects successively.
As further improvement of the utility model, described reinforced concrete strip foundation sections is three layer construction, is followed successively by from lower to upper concrete cushion, the first in-situ layer and the second in-situ layer.
As further improvement of the utility model, the length that described medium sand tamps linkage section is 150-250mm, and preferred, the length that described medium sand tamps linkage section is 200mm.
In sum, the foundation structure of reinforced concrete drainage pipe under soft foundation of the present utility model, the whole piece form that changes reinforced concrete strip foundation commonly used is sectional reinforced concrete strip foundation sections form, every section reinforced concrete strip foundation sections is as a whole, tamping linkage section by medium sand is together in series successively, the deformation caused by differential settlement just is concentrated in medium sand and tamps on linkage section, rubber ring interface between the pipeline section of cooperation drainage pipe can bear certain distortion, effectively overcome under soft foundation because differential settlement causes the fracture of reinforced concrete pipiline basis, and then cause drainage pipe to damage, the defect of pipe leakage.
Technique effect below with reference to accompanying drawing to design of the present utility model, concrete structure and generation is described further, to understand fully the purpose of this utility model, feature and effect.
The accompanying drawing explanation
The vertical section schematic diagram of the foundation structure that Fig. 1 is reinforced concrete drainage pipe under this specific embodiment soft foundation.
The schematic cross section that Fig. 2 is the foundation structure of reinforced concrete drainage pipe under this specific embodiment soft foundation.
The schematic cross section of the foundation structure of reinforced concrete drainage pipe under the soft foundation that Fig. 3 is the further specific embodiment.
The specific embodiment
The vertical section schematic diagram of the foundation structure that Fig. 1 is reinforced concrete drainage pipe under this specific embodiment soft foundation, the schematic cross section that Fig. 2 is the foundation structure of reinforced concrete drainage pipe under this specific embodiment soft foundation.As depicted in figs. 1 and 2, the present embodiment proposes the foundation structure of reinforced concrete drainage pipe under a kind of soft foundation, comprise that some sections are arranged on the reinforced concrete strip foundation sections 1 of described drainage pipe below and are arranged on the bell and spigot that connects between the pipeline section 2 of drainage pipe or the medium sand of tongue and groove below tamps linkage section 3, reinforced concrete strip foundation sections 1 tamps linkage section 3 by medium sand and connects successively.
As the further specific embodiment of the present embodiment, as shown in Figure 3, the reinforced concrete strip foundation sections of the present embodiment can also be three layer construction, is followed successively by from lower to upper concrete cushion, the first in-situ layer and the second in-situ layer.
Exemplary, perform 4 levellings of one deck (being generally 100mm) concrete cushion below design elevation at the bottom of pipeline foundation.Concrete cushion 4 has been laid rear cloth muscle and has been built the first in-situ layer 5, after the foundation construction of the first in-situ layer 5 completes, the surface of the first in-situ layer 5 is made to hair side and rinsed well, then continuing to build the second in-situ layer 6, the first in-situ layers 5 and the second in-situ layer 6 thickness all determines according to pipe diameter.The second in-situ layer 6 built after by the drainage pipe seat on the foundation structure of drainage pipe, and, after adopting the flexible rubber circle to connect joint, medium sand tamps linkage section 3 and adopts medium sands to tamp each section reinforced concrete strip foundation sections 2 connected successively.
Concrete, the length that the medium sand of the present embodiment tamps linkage section 3 is 200mm.Certainly, in other specific embodiments, the length that medium sand tamps linkage section 3 can also be other sizes such as 150mm or 250mm.
Exemplary, under soft foundation of the present utility model, the concrete applicable cases of the foundation structure of reinforced concrete drainage pipe is as follows:
The pipeline section 2 of the drainage pipe of the corresponding every joint of the present embodiment arranges one section reinforced concrete strip foundation sections 1, and medium sand is set below the bell and spigot connected between the pipeline section 2 of drainage pipe or tongue and groove tamps 3 pairs of two sections reinforced concrete strip foundation sections 1 of linkage section and dock series connection, reinforced concrete strip foundation sections 1 and medium sand tamp quantity, length and the position of linkage section 3 and can be adjusted according to the concrete condition of drainage pipe.By said structure, construct, the present embodiment has been realized being constructed the foundation structure of whole piece reinforced concrete drainage pipe, the deformation that differential settlement is caused just is concentrated in medium sand and tamps on linkage section 3, coordinate the rubber ring interface between the pipeline section 2 of drainage pipe can bear certain distortion simultaneously, effectively overcome under soft foundation and ruptured because differential settlement causes the reinforced concrete pipiline basis, and then caused the defect of drainage pipe damage, pipe leakage.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all technician in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
Claims (4)
1. the foundation structure of reinforced concrete drainage pipe under a soft foundation, it is characterized in that: comprise that some sections are arranged on the reinforced concrete strip foundation sections of described drainage pipe below and are arranged on the bell and spigot that connects between the pipeline section of described drainage pipe or the medium sand of tongue and groove below tamps linkage section, described reinforced concrete strip foundation sections tamps linkage section by described medium sand and connects successively.
2. the foundation structure of reinforced concrete drainage pipe under soft foundation as claimed in claim 1, it is characterized in that: described reinforced concrete strip foundation sections is three layer construction, is followed successively by from lower to upper concrete cushion, the first in-situ layer and the second in-situ layer.
3. the foundation structure of reinforced concrete drainage pipe under soft foundation as claimed in claim 1, it is characterized in that: the length that described medium sand tamps linkage section is 150-250mm.
4. the foundation structure of reinforced concrete drainage pipe under soft foundation as claimed in claim 1, it is characterized in that: the length that described medium sand tamps linkage section is 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468344.6U CN203373772U (en) | 2013-08-01 | 2013-08-01 | Foundation structure of reinforced concrete drainage pipeline under condition of soft soil foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468344.6U CN203373772U (en) | 2013-08-01 | 2013-08-01 | Foundation structure of reinforced concrete drainage pipeline under condition of soft soil foundation |
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| Publication Number | Publication Date |
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| CN203373772U true CN203373772U (en) | 2014-01-01 |
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| CN201320468344.6U Expired - Fee Related CN203373772U (en) | 2013-08-01 | 2013-08-01 | Foundation structure of reinforced concrete drainage pipeline under condition of soft soil foundation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887912A (en) * | 2016-05-05 | 2016-08-24 | 十九冶成都建设有限公司 | Composite foundation structure for complex geological zone and construction method of composite foundation structure |
| CN106088142A (en) * | 2016-07-22 | 2016-11-09 | 福建省建筑设计研究院 | A kind of prefabricated assembled pipeline foundation and assembly method thereof |
| CN106638256A (en) * | 2017-02-14 | 2017-05-10 | 上海市城市建设设计研究总院（集团）有限公司 | Semi-integrated seamless bridge structure adaptive to soft foundation |
| CN106677073A (en) * | 2017-02-14 | 2017-05-17 | 上海市城市建设设计研究总院（集团）有限公司 | Construction method for semi-integral jointless bridge structure adaptive to soft soil foundation |
| CN107061867A (en) * | 2017-04-14 | 2017-08-18 | 宣城市政建设集团有限公司 | A kind of reinforced concrete drainage pipe is rested the head on pipe |
-
2013
- 2013-08-01 CN CN201320468344.6U patent/CN203373772U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887912A (en) * | 2016-05-05 | 2016-08-24 | 十九冶成都建设有限公司 | Composite foundation structure for complex geological zone and construction method of composite foundation structure |
| CN105887912B (en) * | 2016-05-05 | 2018-09-25 | 十九冶成都建设有限公司 | Composite base structure and its construction method for complex geological district |
| CN106088142A (en) * | 2016-07-22 | 2016-11-09 | 福建省建筑设计研究院 | A kind of prefabricated assembled pipeline foundation and assembly method thereof |
| CN106088142B (en) * | 2016-07-22 | 2018-07-06 | 福建省建筑设计研究院有限公司 | A kind of prefabricated assembled pipeline foundation and its assembly method |
| CN106638256A (en) * | 2017-02-14 | 2017-05-10 | 上海市城市建设设计研究总院（集团）有限公司 | Semi-integrated seamless bridge structure adaptive to soft foundation |
| CN106677073A (en) * | 2017-02-14 | 2017-05-17 | 上海市城市建设设计研究总院（集团）有限公司 | Construction method for semi-integral jointless bridge structure adaptive to soft soil foundation |
| CN107061867A (en) * | 2017-04-14 | 2017-08-18 | 宣城市政建设集团有限公司 | A kind of reinforced concrete drainage pipe is rested the head on pipe |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 |