CN110965581A - Protection construction method for underground pipeline in subway construction - Google Patents
Protection construction method for underground pipeline in subway construction Download PDFInfo
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- CN110965581A CN110965581A CN201911273754.3A CN201911273754A CN110965581A CN 110965581 A CN110965581 A CN 110965581A CN 201911273754 A CN201911273754 A CN 201911273754A CN 110965581 A CN110965581 A CN 110965581A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/46—Foundations for supply conduits or other canals
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a protection construction method of underground pipelines in subway construction, which comprises the following steps: s1) determining the positions of all pipelines crossing the foundation pit according to the detection result of the underground pipelines, and manually excavating the covering soil on the pipelines along the longitudinal direction of all the pipelines until all the pipelines are completely exposed; s2) installing supports on the two sides of the foundation pit and the top beam which is already constructed on the central axis of the foundation pit, erecting a Bailey beam on the installed supports along the longitudinal direction of each pipeline, and placing each pipeline in the Bailey beam to protect each pipeline; s3) carrying out foundation pit construction, and monitoring the protection condition of each pipeline; s4) after the foundation pit construction is completed, dismantling the Berea beam, backfilling earthwork of each pipeline and recovering the original pavement; s5) the construction of pipeline protection is completed after monitoring and acceptance. The underground pipelines can be protected, and guarantee is provided for safe excavation of the foundation pit.
Description
Technical Field
The invention relates to the technical field of pipeline protection, in particular to a protection construction method of underground pipelines in subway construction.
Background
With the rapid development of urban subways, various used pipelines can be encountered in the excavation process of a foundation pit, if the pipelines are improperly processed, soil bodies around the existing pipelines collapse, the pipelines break, the normal life of surrounding residents is affected, and even serious consequences that gas leaks and is exploded by naked fire can be caused.
Disclosure of Invention
The invention provides a protection construction method of underground pipelines in subway construction, which protects each pipeline, prevents each pipeline from being damaged in the construction process and makes foundation work for safe excavation of a foundation pit; monitoring the protection condition of each pipeline in the process of foundation pit construction so as to ensure that the protection of each pipeline is effective and the construction safety is ensured; after the foundation pit construction is completed, earth backfilling is carried out on each pipeline and the original pavement is restored, so that the construction efficiency is high; and the pipeline protection construction is completed after the monitoring and acceptance inspection are qualified, so that each pipeline is ensured to be undamaged, and the use safety is ensured.
The invention provides a protection construction method of underground pipelines in subway construction, which comprises the following steps:
s1) determining the positions of all pipelines crossing the foundation pit according to the detection result of the underground pipelines, and manually excavating the covering soil on the pipelines along the longitudinal direction of all the pipelines until all the pipelines are completely exposed; s2) installing supports on the two sides of the foundation pit and the constructed crown beams on the central axis of the foundation pit, erecting Bailey beams on the installed supports along the longitudinal direction of each pipeline, and placing each pipeline in the Bailey beams to protect each pipeline; s3) carrying out foundation pit construction, and monitoring the protection condition of each pipeline; s4) after the foundation pit construction is completed, dismantling the Berea beam, backfilling earthwork of each pipeline and recovering the original pavement; s5) the construction of pipeline protection is completed after monitoring and acceptance.
Preferably, in step S1), the step of manually removing the casing on the pipeline along the longitudinal direction of each pipeline until each pipeline is completely exposed comprises: for each pipeline, firstly excavating earth at the positions of a buttress and a lifting point of the pipeline to the bottom of the pipeline, pouring a buttress concrete structure and a suspender at the position of the lifting point, and primarily protecting each pipeline by installing a bearing member on the buttress and suspending the pipeline by the suspender; and after the buttress concrete strength reaches the design standard and the supporting member and the hanging rod at the hanging point are installed, excavating and removing the earthwork of the rest part of the pipeline until the pipeline is completely exposed.
Preferably, in step S2), erecting a beret beam on the installed support along the longitudinal direction of each pipeline, the method includes: and 2 double-row single-layer Bailey beams are erected on the installed support.
Preferably, the step S2) further includes: before the Bailey beam is erected, mechanical property checking calculation is carried out on the design structure of the Bailey beam so as to confirm that the Bailey beam meets the construction requirements.
Preferably, in step S3), the monitoring of the protection condition of each pipeline includes: laying a plurality of observation points at predetermined intervals along the longitudinal direction of each pipeline; and monitoring the sedimentation condition of each pipeline through the plurality of observation points.
Preferably, the step S3) further includes: the settlement of the building surrounding each pipeline is monitored.
Preferably, the settlement of each line is monitored using a Topcon AT-G2 precision level gauge and an indium steel ruler.
Preferably, the step S3) further includes: in the process of constructing the foundation pit, working wells for installing emergency working valves of all pipelines are additionally arranged on two sides of the foundation pit so as to emergently close the emergency working valves corresponding to all pipelines when an emergency accident happens.
Preferably, in step S4), backfilling earth of each pipeline includes: under the condition that the space below each pipeline can pass through a road roller, compacting soil layers below each pipeline by adopting the road roller; when the earthwork backfilling is close to the bottom of each pipeline, grooves are reserved at the bottom of each pipeline along the longitudinal direction of each pipeline, the earthwork backfilling at two sides of each pipeline is firstly carried out until the earthwork backfilling reaches the elevation of the bottom of each pipeline respectively, then the grooves below each pipeline are backfilled by coarse sand during use, and the backfilling is ensured to be compact.
Preferably, the step S4) further includes: after earth backfilling is carried out on each pipeline, each suspension suspender is dismantled; and recovering the original pavement after the backfill soil at the top of the pipeline reaches the preset design thickness.
According to the underground pipeline protection construction method in subway construction, the positions of all pipelines crossing a foundation pit are determined according to the detection result of the underground pipelines, and earth covering on the pipelines is manually excavated along the longitudinal direction of each pipeline until each pipeline is completely exposed, so that convenience is brought to protection construction; the supporting members are arranged on the buttresses and the pipelines are primarily protected by hanging the suspenders through the suspenders, so that the pipelines are uniformly stressed in the process of excavating and earthing, and the pipeline breakage caused by displacement or deformation of the pipelines is avoided to influence the normal life of surrounding residents; placing each pipeline in the Bailey beam to protect each pipeline, preventing each pipeline from being damaged in the construction process, and making foundation work for safe excavation of a foundation pit; monitoring the protection condition of each pipeline in the process of foundation pit construction so as to ensure that the protection of each pipeline is effective and the construction safety is ensured; after the foundation pit construction is completed, the Berea beam is dismantled, earthwork backfilling is carried out on each pipeline, the original pavement is recovered, and the construction efficiency is high; and the pipeline protection construction is completed after the monitoring and acceptance inspection are qualified, so that each pipeline is ensured to be undamaged, and the use safety is ensured.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
fig. 1 is a flowchart of steps of a protection construction method of an underground pipeline in subway construction according to an embodiment of the present invention;
fig. 2 is a longitudinal sectional view of a beret beam and each pipeline in a protection construction method of an underground pipeline in subway construction according to an embodiment of the present invention.
Description of the reference numerals
1 beret 2 pipeline
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
The technical solution in the embodiments of the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 2, the present invention provides a protection construction method for underground pipelines in subway construction, comprising the steps of: s1) determining the position of each pipeline 2 crossing the foundation pit according to the detection result of the underground pipeline, and manually excavating the covering soil on the pipeline along the longitudinal direction of each pipeline 2 until each pipeline 2 is completely exposed; s2) installing supports on the two sides of the foundation pit and the constructed crown beams on the central axis of the foundation pit, erecting Bailey beams 1 on the installed supports along the longitudinal direction of each pipeline 2, and placing each pipeline 2 in the Bailey beams 1 to protect each pipeline 2; s3) carrying out foundation pit construction, and monitoring the protection condition of each pipeline 2; s4), after the foundation pit construction is completed, dismantling the Berea beam, backfilling earthwork of each pipeline 2 and recovering the original pavement; s5) the construction of pipeline protection is completed after monitoring and acceptance.
According to the technical scheme of the invention, step S1) determines the position of each pipeline 2 crossing the foundation pit according to the detection result of the underground pipeline, firstly, the detection result of the underground pipeline is obtained by combining the existing pipeline drawing and adopting a method of combining ultrasonic wave with geophysical prospecting and pot prospecting so as to determine the actual position of each underground pipeline crossing the foundation pit; and manually removing the covering soil on the pipelines along the longitudinal direction of each pipeline 2 according to the position of each pipeline 2 until each pipeline 2 is completely exposed, so as to provide convenience for protection construction.
According to an embodiment of the present invention, preferably, the step S1) of manually removing the casing on each pipeline 2 along the longitudinal direction thereof until each pipeline 2 is completely exposed includes: for each pipeline, firstly, excavating the earth at the positions of the buttresses and the hoisting points of the pipeline to the bottom of the pipeline, pouring the concrete structure of the buttresses and the hoisting rods at the positions of the hoisting points, and primarily protecting each pipeline 2 by mounting a bearing member on the buttresses and hanging the pipeline by the hoisting rods, so that the pipeline 2 is uniformly stressed in the process of excavating and removing covering soil, and the influence of pipeline fracture on the normal life of surrounding residents caused by pipeline fracture due to displacement or deformation of each pipeline 2 is avoided; and after the buttress concrete strength reaches the design standard and the supporting member and the hanging rod at the hanging point are installed, excavating and removing the earthwork of the rest part of the pipeline until the pipeline is completely exposed. For leaking or damaged pipelines, the pipeline is first reinforced or repaired as required.
According to the technical scheme of the invention, as shown in fig. 2, step S2) is to install supports on the two sides of the foundation pit and the constructed crown beams on the central axis of the foundation pit, to erect beret beams 1 on the installed supports along the longitudinal direction of each pipeline 2, and to place each pipeline 2 in the beret beams 1 to protect each pipeline 2; and the pipelines 2 are prevented from being damaged in the construction process, and foundation work is well done for the safe excavation of the foundation pit.
According to an embodiment of the present invention, preferably, the step S2) of erecting the bery beam 1 along the longitudinal direction of each pipeline 2 on the installed support includes: 2 double-row single-layer Bailey beams 1 are erected on the installed support to have enough supporting strength, so that the purpose of protecting each pipeline 2 is achieved.
The installation main points of bailey beam 1 include: 1. before the Bailey beam 1 is installed, the construction of a concrete foundation is completed, and the strength of the concrete is required to meet the design requirement; 2. in order to ensure that the erection position of the Bailey beam 1 is accurate, the embedded steel plates and bolts are required to be accurately embedded during concrete foundation construction, and the embedding depth and the number of the embedded steel plates and the bolts meet the design requirements; 3. the preparation work of various components is carried out before the construction of the Bailey beam 1: mainly comprises the transportation, stacking, inspection and line snapping of the Bailey beam 1. The components are prevented from being damaged by collision in transportation; 4. carrying out approach inspection on the Bailey beam 1 after the Bailey beam enters the field, and checking the model, the size and the appearance quality of a component; 5. the arrangement of the components needs to be designed in advance, and the components need to be discharged according to the arrangement mode and hoisting parameters of the hoisting machinery.
The arrangement of the beret 1 members follows the following requirements: 1. the Bailey beam 1 components are arranged in the hoisting radius rotation range of the hoisting machinery, so that secondary carrying is avoided. When the field conditions are not allowed, part of the components can be intensively stacked near the safe position of the foundation pit and then transferred to a lifting place during lifting; 2. the heavier components are arranged close to the hoisting machinery as much as possible, and the light components can be arranged on the outer side; 3. the position of stacking the components is consistent with the position of mounting the components, so that the movement of the crane is reduced as much as possible; 4. different components need to be stacked in a classified mode, mixed type overlapping is avoided, a stacking place needs to be hardened through the ground, a drainage facility is arranged, and the skid needs to be arranged reasonably.
According to an embodiment of the present invention, preferably, the step S2) further includes: before the Bailey beam 1 is erected, mechanical property checking calculation is carried out on the design structure of the Bailey beam 1 so as to confirm that the Bailey beam 1 meets the construction requirement. Wherein the performing of the mechanical property check comprises: selecting corresponding calculation parameters according to the structure of the Bailey beam 1, and calculating the stress calculation of the Bailey beam 1; and calculating the design load of the Bailey beam 1, determining that the Bailey beam 1 meets the design requirement, and ensuring the construction safety.
According to the technical scheme of the invention, the step S3) is carried out for foundation pit construction, and the protection condition of each pipeline 2 is monitored, so as to ensure that the protection of each pipeline 2 is effective and the construction safety is ensured.
According to an embodiment of the present invention, the step S3) of monitoring the protection condition of each pipeline 2 includes: a plurality of observation points are laid at predetermined intervals along the longitudinal direction of each pipeline 2; the settlement condition of each pipeline 2 is monitored through the plurality of observation points, and the settlement condition is usually monitored once every l to 2 days in the whole process of the foundation pit construction. Preferably, the separation distance is 5 meters, which ensures better visibility.
And summarizing and analyzing the monitoring data in time, predicting the pipeline settlement, displacement and deformation overpotential, taking measures in time to process when the data is found to be close to the warning value, and suspending construction of related projects before the processing is finished.
According to an embodiment of the present invention, preferably, the step S3) further includes: the settlement of the building surrounding each pipeline 2 is monitored to prevent the settlement of the soil mass adjacent to said each pipeline 2.
According to one embodiment of the present invention, the settlement condition of each pipeline 2 is preferably monitored by using a Topcon AT-G2 precision level gauge and an indium steel ruler, and the detection data are accurate and reliable.
According to an embodiment of the present invention, preferably, the step S3) further includes: in the process of foundation pit construction, working wells for installing emergency working valves of the pipelines 2 are additionally arranged on two sides of the foundation pit, so that the emergency working valves corresponding to the pipelines 2 are closed emergently when an emergency accident happens, and can be closed emergently when the emergency accident happens, and the construction safety is guaranteed.
According to the technical scheme of the invention, after the foundation pit construction is completed in the step S4), the Berea beam is dismantled, earthwork backfill is carried out on each pipeline 2, the original road surface is restored, and the operation is convenient and fast.
According to an embodiment of the present invention, preferably, the step S4) of backfilling the earth of each pipeline 2 includes: under the condition that the space below each pipeline 2 can pass through a road roller, compacting the soil layer below each pipeline 2 by adopting the road roller; when the earth backfilling is close to the bottom of each pipeline 2, grooves are reserved at the bottom of each pipeline 2 along the longitudinal direction of each pipeline 2, the earth backfilling at the two sides of each pipeline 2 is firstly carried out until the elevation of the bottom of each pipeline 2 is respectively reached, then the grooves below each pipeline 2 are backfilled by coarse sand in use, and the backfilling is ensured to be compact.
According to an embodiment of the present invention, preferably, the step S4) further includes: after earth backfilling is carried out on each pipeline 2, each suspension suspender is dismantled; and recovering the original pavement after the backfill soil at the top of the pipeline reaches the preset design thickness.
According to the technical scheme of the invention, the step S5) is monitored and accepted to finish the pipeline protection construction, so as to ensure that each pipeline 2 is not damaged and ensure the use safety.
The invention aims to provide a protection construction method of underground pipelines in subway construction, which determines the positions of all pipelines 2 spanning a foundation pit according to the detection result of the underground pipelines, and manually digs the covering soil on the pipelines along the longitudinal direction of all the pipelines 2 until all the pipelines 2 are completely exposed, so as to provide convenience for protection construction; the supporting members are arranged on the buttresses and the pipelines 2 are primarily protected by hanging the suspenders through the suspenders, so that the pipelines 2 are uniformly stressed in the process of excavating and earthing, and the influence of pipeline breakage caused by displacement or deformation of the pipelines 2 on the normal life of surrounding residents is avoided; placing each pipeline 2 in the Bailey beam 1 to protect each pipeline 2, preventing each pipeline 2 from being damaged in the construction process, and making foundation work for safe excavation of a foundation pit; in the process of carrying out foundation pit construction, monitoring the protection condition of each pipeline 2 so as to ensure that the protection of each pipeline 2 is effective and the construction safety is ensured; after the foundation pit construction is completed, the Berea beam is dismantled, earthwork backfilling is carried out on each pipeline 2, the original pavement is recovered, and the construction efficiency is high; and the pipeline protection construction is finished after the monitoring and acceptance check are qualified, so that each pipeline 2 is ensured to be undamaged, and the use safety is ensured.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (10)
1. A protection construction method for underground pipelines in subway construction is characterized by comprising the following steps:
s1) determining the position of each pipeline (2) crossing the foundation pit according to the detection result of the underground pipelines, and manually excavating the covering soil on the pipelines along the longitudinal direction of each pipeline (2) until each pipeline (2) is completely exposed;
s2) installing supports on the two sides of the foundation pit and the constructed crown beam on the central axis of the foundation pit, erecting a Bailey beam (1) on the installed supports along the longitudinal direction of each pipeline (2), and placing each pipeline (2) in the Bailey beam (1) to protect each pipeline (2);
s3) carrying out foundation pit construction, and monitoring the protection condition of each pipeline (2);
s4), after the foundation pit construction is completed, dismantling the Berea beam, backfilling earthwork of each pipeline (2) and recovering the original pavement;
s5) the construction of pipeline protection is completed after monitoring and acceptance.
2. The protection construction method according to claim 1, wherein the step S1) of manually excavating the casing on each pipeline (2) along the longitudinal direction thereof until each pipeline (2) is completely exposed comprises:
for each pipeline, firstly excavating earth at the positions of a buttress and a lifting point of the pipeline to the bottom of the pipeline, pouring a buttress concrete structure and a suspender at the position of the lifting point, and primarily protecting each pipeline (2) by installing a bearing member on the buttress and suspending by the suspender;
and after the buttress concrete strength reaches the design standard and the supporting member and the hanging rod at the hanging point are installed, excavating and removing the earthwork of the rest part of the pipeline until the pipeline is completely exposed.
3. The protection construction method according to claim 1, wherein the step S2) of erecting the bailey beam (1) on the installed support along the longitudinal direction of each pipeline (2) comprises:
2 double-row single-layer Bailey beams (1) are erected on the installed support.
4. The protection construction method according to claim 1, wherein the step S2) further includes:
before the Bailey beam (1) is erected, mechanical property checking calculation is carried out on the design structure of the Bailey beam (1) so as to confirm that the Bailey beam (1) meets the construction requirement.
5. The protection construction method according to claim 1, wherein the step S3) of monitoring the protection condition of each pipeline (2) includes:
-laying a plurality of observation points at predetermined intervals longitudinally along each pipeline (2);
the sedimentation condition of each pipeline (2) is monitored by the plurality of observation points.
6. The protection construction method according to claim 5, wherein the step S3) further includes: the settlement of the building around each pipeline (2) is monitored.
7. The protection construction method according to claim 5, wherein the settlement condition of each pipeline (2) is monitored using a Topcon AT-G2 precision level gauge and an indium steel ruler.
8. The protection construction method according to claim 1, wherein the step S3) further includes:
in the process of constructing the foundation pit, working wells for installing emergency working valves of the pipelines (2) are additionally arranged on two sides of the foundation pit so as to emergently close the emergency working valves corresponding to the pipelines (2) when an emergency accident happens.
9. The protection construction method according to claim 1, wherein the step S4) of backfilling earth of each pipeline (2) comprises:
under the condition that the space below each pipeline (2) can pass through a road roller, compacting the soil layer below each pipeline (2) by adopting the road roller;
when earthwork backfilling is close to the bottom of each pipeline (2), grooves are reserved at the bottom of each pipeline (2) along the longitudinal direction of each pipeline (2), earthwork backfilling is carried out on two sides of each pipeline (2) until the earthwork backfilling reaches the elevation of the bottom of each pipeline (2), the grooves below each pipeline (2) are backfilled by coarse sand in use, and backfilling compactness is guaranteed.
10. The protection construction method according to claim 2, wherein the step S4) further includes:
backfilling earthwork of each pipeline (2) and then dismantling each suspension suspender;
and recovering the original pavement after the backfill soil at the top of the pipeline reaches the preset design thickness.
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| CN201911273754.3A CN110965581A (en) | 2019-12-12 | 2019-12-12 | Protection construction method for underground pipeline in subway construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463741A (en) * | 2020-04-14 | 2020-07-28 | 中天建设集团有限公司 | Suspension protection structure suitable for parcel and construction method |
| CN111622230A (en) * | 2020-06-08 | 2020-09-04 | 中铁十四局集团大盾构工程有限公司 | Protection method for pipeline penetrating foundation pit |
| CN113585275A (en) * | 2020-04-30 | 2021-11-02 | 中国建筑第四工程局有限公司 | Construction method for protecting horizontal branch pipe of thermal spring well in foundation pit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202099804U (en) * | 2011-05-19 | 2012-01-04 | 长业建设集团有限公司 | Bailey bracket hanging and underpining system for foundation-pit-spanning pipe lines |
| CN103486403A (en) * | 2013-10-17 | 2014-01-01 | 中国建筑第六工程局有限公司 | In-situ protection construction method of pipeline above foundation pit |
| CN105570539A (en) * | 2015-12-21 | 2016-05-11 | 广州机施建设集团有限公司 | Construction method of pipeline protection structure |
| CN105822830A (en) * | 2016-03-31 | 2016-08-03 | 中国水利水电第十四工程局有限公司 | In-situ suspension protection construction method of high-pressure gas pipe longitudinally spanning over foundation pit |
| JP6068774B1 (en) * | 2016-03-01 | 2017-01-25 | 日本スピードショア株式会社 | Earth retaining prior construction method using adjustable erection |
| CN206669113U (en) * | 2017-03-30 | 2017-11-24 | 中铁十一局集团城市轨道工程有限公司 | A kind of suspension protection structure being used in foundation pit construction |
| CN109296825A (en) * | 2018-09-29 | 2019-02-01 | 中铁第勘察设计院集团有限公司 | Major diameter bell and spigot water supply concrete pipe suspension protection system and its construction method |
| CN109723089A (en) * | 2019-02-25 | 2019-05-07 | 济南轨道交通集团有限公司 | Protect structure and method in a kind of high-tension electricity pipe culvert original place |
-
2019
- 2019-12-12 CN CN201911273754.3A patent/CN110965581A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202099804U (en) * | 2011-05-19 | 2012-01-04 | 长业建设集团有限公司 | Bailey bracket hanging and underpining system for foundation-pit-spanning pipe lines |
| CN103486403A (en) * | 2013-10-17 | 2014-01-01 | 中国建筑第六工程局有限公司 | In-situ protection construction method of pipeline above foundation pit |
| CN105570539A (en) * | 2015-12-21 | 2016-05-11 | 广州机施建设集团有限公司 | Construction method of pipeline protection structure |
| JP6068774B1 (en) * | 2016-03-01 | 2017-01-25 | 日本スピードショア株式会社 | Earth retaining prior construction method using adjustable erection |
| CN105822830A (en) * | 2016-03-31 | 2016-08-03 | 中国水利水电第十四工程局有限公司 | In-situ suspension protection construction method of high-pressure gas pipe longitudinally spanning over foundation pit |
| CN206669113U (en) * | 2017-03-30 | 2017-11-24 | 中铁十一局集团城市轨道工程有限公司 | A kind of suspension protection structure being used in foundation pit construction |
| CN109296825A (en) * | 2018-09-29 | 2019-02-01 | 中铁第勘察设计院集团有限公司 | Major diameter bell and spigot water supply concrete pipe suspension protection system and its construction method |
| CN109723089A (en) * | 2019-02-25 | 2019-05-07 | 济南轨道交通集团有限公司 | Protect structure and method in a kind of high-tension electricity pipe culvert original place |
Non-Patent Citations (1)
| Title |
|---|
| 住房和城乡建设部标准定额研究所编: "《城市轨道交通标准汇编》", 30 September 2009, 中国计划出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463741A (en) * | 2020-04-14 | 2020-07-28 | 中天建设集团有限公司 | Suspension protection structure suitable for parcel and construction method |
| CN113585275A (en) * | 2020-04-30 | 2021-11-02 | 中国建筑第四工程局有限公司 | Construction method for protecting horizontal branch pipe of thermal spring well in foundation pit |
| CN113585275B (en) * | 2020-04-30 | 2022-07-22 | 中国建筑第四工程局有限公司 | Construction method for protecting horizontal branch pipe of thermal spring well in foundation pit |
| CN111622230A (en) * | 2020-06-08 | 2020-09-04 | 中铁十四局集团大盾构工程有限公司 | Protection method for pipeline penetrating foundation pit |
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