CN111794343B - Construction method for connecting pipeline ditch with integrated sewer - Google Patents
Construction method for connecting pipeline ditch with integrated sewer Download PDFInfo
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- CN111794343B CN111794343B CN202010476339.4A CN202010476339A CN111794343B CN 111794343 B CN111794343 B CN 111794343B CN 202010476339 A CN202010476339 A CN 202010476339A CN 111794343 B CN111794343 B CN 111794343B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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Abstract
The invention relates to a construction method for integrally connecting an upper pipeline ditch and a lower pipeline ditch, which comprises the following steps: 1) inserting steel sheet pile supports into two sides of a groove to be excavated, and fixing the top ends of the steel sheet pile supports by using easily-detachable temporary supports; 2) excavating a groove; 3) laying steel rails on two sides of the groove; 4) placing the integral lifting frame on the steel rail; 5) placing the adjustable butt joint frame on a steel base plate; 6) connecting and fixing the adjacent pipelines by using connecting bolts to penetrate through bolt holes on the flange plates of the adjacent pipelines; 7) hoisting the connected pipelines by using the integral hoisting frame; 8) and (4) dismantling the easily-detachable temporary support, putting the pipeline into the groove, and backfilling the groove by using backfill materials. The invention has the beneficial effects that: the pipeline is supported through adjustable butt joint frame in the ditch, can effectively improve the connection precision of pipeline, improves the reliability of structure.
Description
Technical Field
The invention relates to pipeline construction of a drainage pipe ditch, in particular to a construction method for connecting an upper part of a pipeline ditch and integrally lowering the ditch.
Background
The drainage pipe ditch generally adopts a construction mode that a ditch is dug firstly and then a drainage pipe is installed. The pipeline is transported to the bottom of the groove in a section-by-section hoisting mode, and then section-by-section lengthening operation is carried out. However, the construction method has a plurality of problems: the pipelines are not tightly butted, and the phenomena of water leakage and the like easily occur at the joint; under the long-term erosion action of water flow, soil around the pipeline is easy to be hollowed out, so that the pipeline is settled and collapsed; meanwhile, as the connection operation of the pipeline is carried out at the bottom of the trench, operators need to have enough space to carry out the connection operation, generally need to overexcavate a part of soil, and increase the sectional area of the trench, thereby increasing the workload of the earthwork operation; the integral gradient of the pipeline is difficult to control, thereby influencing the drainage effect, causing sediment accumulation in the pipeline, and easily blocking the pipeline after a long time.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a construction method for connecting an upper part of a pipeline ditch and integrally lowering the ditch.
The construction method for integrally connecting the upper part of the pipeline ditch and lowering the upper part of the pipeline ditch comprises the following construction steps:
1) inserting steel sheet pile supports into two sides of a groove to be excavated, and fixing the top ends of the steel sheet pile supports by using easily-detachable temporary supports;
2) excavating a groove, and arranging a sand cushion layer on the surface of the groove;
3) laying steel rails on two sides of the groove, and fixing the steel rails on the ground by using anchor bolts; paving a steel base plate on one side of the groove, wherein the steel base plate is fixed on the ground by adopting soil nails;
4) placing the integral lifting frame on the steel rail;
5) placing an adjustable butt joint frame on a steel base plate, placing a pipeline on the adjustable butt joint frame, supporting an adjustable support rod below a stiffening rib of the pipeline, and adjusting the length of the adjustable support rod to enable the pipeline to be on the same axis;
6) connecting and fixing the adjacent pipelines by using connecting bolts to penetrate through bolt holes on the flange plates of the adjacent pipelines;
7) hoisting the connected pipelines by using the integral hoisting frame, wherein the lifting hooks are hooked on the stiffening ribs on the two sides of the pipelines;
8) and (4) dismantling the easily-detachable temporary support, putting the pipeline into the groove, and backfilling the groove by using backfill materials.
Preferably, the method comprises the following steps: the easily-detachable temporary support mainly comprises a transverse telescopic rod, an inner side support wing plate, an outer side clamping plate and a fastening screw, wherein the inner side support wing plate is fixed on the transverse telescopic rod, the outer side clamping plate penetrates through the transverse telescopic rod, and the fastening screw is connected with the transverse telescopic rod through threads; the easy-to-detach temporary support is detached when the pipeline is in a ditch.
Preferably, the method comprises the following steps: step 1) a longitudinal support rod is arranged at the upper end of the steel sheet pile support, the longitudinal support rod is clamped between an inner side support wing plate and the steel sheet pile support, an outer side clamping plate is arranged on the outer side of the steel sheet pile support and clings to the steel sheet pile support, and a fastening screw clings to the outer side clamping plate; the transverse telescopic rod is lengthened and shortened through an adjusting bolt; the lower part of the inner side support wing plate is provided with a support block protruding outwards, and the longitudinal support rod is placed above the support block.
Preferably, the method comprises the following steps: and 4) the integral hoisting frame mainly comprises a vertical support rod, a longitudinal connecting beam, a transverse support beam, a transverse sliding trolley, a longitudinal support beam and a hoisting crane, wherein the top end of the vertical support rod is connected with the longitudinal connecting beam and the transverse support beam respectively, a longitudinal pulley is arranged at the bottom end of the vertical support rod, the transverse sliding trolley comprises a transverse pulley and a support plate, the transverse pulley is supported on the transverse support beam, the two ends of the longitudinal support beam are lapped on the support plate, the hoisting crane is arranged on the longitudinal support beam, a hoisting rope is arranged on the hoisting crane, the lower section of the hoisting rope is divided into two strands, and a lifting hook is arranged on each strand of the hoisting rope.
Preferably, the method comprises the following steps: and 5) the adjustable butt joint frame consists of an adjustable support rod, a transverse connecting rod and a stiffening block, wherein the transverse connecting rod connects the adjustable support rod into a whole, and the stiffening block is arranged at the joint of the transverse connecting rod and the adjustable support rod.
Preferably, the method comprises the following steps: and 6) arranging bolt holes and sealing ring grooves on the flange plate, and arranging sealing rings in the sealing ring grooves.
Preferably, the method comprises the following steps: step 7), arranging a plurality of lifting cranes on a longitudinal support beam of the integral lifting frame, wherein the lifting cranes are lifted and lowered synchronously; and the transverse sliding trolley on the integral hoisting frame slides along the transverse supporting beam.
The invention has the beneficial effects that:
1. the pipeline is supported through adjustable butt joint frame in the ditch, can effectively improve the connection precision of pipeline, improves the reliability of structure.
2. The pipeline is connected on the ditch, and the whole handling has avoided the condition of operation in the ditch inslot to the operation mode in the slot again, has reduced the work load of slot earthwork excavation, has shortened construction cycle.
3. The whole lifting frame is used for lifting and transferring the connected pipelines integrally, so that the construction efficiency is improved, the conditions of distortion and the like of the pipelines are avoided, and the stability and the reliability of the connection nodes are ensured.
4. The steel sheet pile is provided with the easily-detachable temporary support, the structure is simple and reliable, the construction efficiency of supporting and erecting is improved, and meanwhile, when the pipeline is hoisted to the groove, the pipeline can be rapidly detached, and the operation efficiency is further improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a connection in a raceway;
FIG. 2 is a longitudinal schematic view of the connection in a raceway;
FIG. 3 is a schematic view of a lateral skidding trolley configuration (node A in FIG. 2);
FIG. 4 is a schematic structural view of an adjustable docking cradle;
FIG. 5 is a schematic view of a piping structure;
FIG. 6 is a schematic view of an easily disassembled temporary support;
FIG. 7 is a schematic view of a pipeline being hoisted into a trench;
figure 8 is a schematic of the pipe in place.
Description of reference numerals: 1-steel backing plate, 11-soil nail, 12-groove, 13-ground, 14-sand cushion layer, 15-backfill material, 2-adjustable butt joint frame, 21-adjustable support rod, 22-transverse connecting rod, 23-stiffening block, 3-pipeline, 31-stiffening rib, 32-flange plate, 33-bolt hole, 34-connecting bolt, 35-sealing ring groove, 36-sealing ring, 4-steel rail, 41-anchoring bolt, 5-integral hoisting frame, 51-vertical support rod, 52-longitudinal pulley, 53-longitudinal connecting beam, 54-transverse support beam, 55-transverse sliding trolley, 56-transverse pulley, 57-support plate, 58-longitudinal support beam, 59-lifting crane, 510-lifting rope, 511-a lifting hook, 6-a steel sheet pile support, 61-an easy-to-dismount temporary support, 62-a transverse telescopic rod, 63-an adjusting bolt, 64-a longitudinal support rod, 65-an inner side support wing plate, 66-a support block, 67-an outer side clamping plate and 68-a fastening screw.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
As shown in fig. 1 to 8, the construction method for connecting the upper portion of the pipe trench with the integral lower portion of the trench includes the following construction steps:
1) inserting steel sheet pile supports 6 into two sides of a groove 12 to be excavated, and fixing the top ends of the steel sheet pile supports 6 by using easily-detachable temporary supports 61; the easily detachable temporary support 61 consists of a transverse telescopic rod 62, an inner side support wing plate 65, an outer side clamping plate 67 and a fastening screw 68, wherein the inner side support wing plate 65 is fixed on the transverse telescopic rod 62, the outer side clamping plate 67 is threaded on the transverse telescopic rod 62, and the fastening screw 68 is in threaded connection with the transverse telescopic rod 62; the easily-detachable temporary support 61 is detached when the pipeline 3 is put into the ditch, so that the pipeline 3 is convenient to put into the ditch, and meanwhile, the operation efficiency is improved; the upper end of the steel sheet pile support 6 is provided with a longitudinal support rod 64, the longitudinal support rod 64 is clamped between the inner side support wing plate 65 and the steel sheet pile support 6, the outer side clamping plate 67 is arranged on the outer side of the steel sheet pile support 6 and is tightly attached to the steel sheet pile support 6, and the fastening screw 68 is tightly attached to the outer side clamping plate 67; the transverse telescopic rod 62 is extended and shortened through an adjusting bolt 63; a supporting block 66 protruding outwards is arranged below the inner side supporting wing plate 65, the longitudinal supporting rod 64 is placed above the supporting block 66, and the supporting block 66 can provide vertical supporting force for the longitudinal supporting rod 64, so that the longitudinal supporting rod 64 is prevented from falling downwards at the initial stage of building a supporting system;
2) excavating a groove 12, and arranging a sand cushion 14 on the surface of the groove 12;
3) laying steel rails 4 on two sides of the groove 12, and fixing the steel rails 4 on the ground 13 by using anchor bolts 41; paving a steel backing plate 1 on one side of the groove 12, and fixing the steel backing plate 1 on the ground 13 by adopting soil nails 11;
4) placing the integral lifting frame 5 on the steel rail 4; the integral lifting frame 5 comprises a vertical supporting rod 51, a longitudinal connecting beam 53, a transverse supporting beam 54, a transverse sliding trolley 55, a longitudinal supporting beam 58 and a lifting crane 59, wherein the top end of the vertical supporting rod 51 is respectively connected with the longitudinal connecting beam 53 and the transverse supporting beam 54, the bottom end of the vertical supporting rod is provided with the longitudinal pulley 52, the transverse sliding trolley 55 comprises a transverse pulley 56 and a supporting plate 57, the transverse pulley 56 is supported on the transverse supporting beam 54, two ends of the longitudinal supporting beam 58 are lapped on the supporting plate 57, the lifting crane 59 is arranged on the longitudinal supporting beam 58, the lifting crane 59 is provided with a lifting rope 510, the lower section of the lifting rope 510 is divided into two parts, and each lifting rope 510 is provided with a lifting hook 511;
5) placing an adjustable butt joint frame 2 on a steel base plate 1, placing a pipeline 3 on the adjustable butt joint frame 2, supporting an adjustable support rod 21 below a stiffening rib 31 of the pipeline 3, and adjusting the length of the adjustable support rod 21 to enable the pipeline 3 to be on the same axis; the adjustable butt joint frame 2 consists of an adjustable support rod 21, a transverse connecting rod 22 and a stiffening block 23, the transverse connecting rod 22 connects the adjustable support rod 21 into a whole, and the stiffening block 23 is arranged at the joint of the transverse connecting rod 22 and the adjustable support rod 21, so that the stability of the structural joint is improved;
6) connecting and fixing the adjacent pipelines 3 by using connecting bolts 34 to penetrate through bolt holes 33 on the flange plates 32 of the adjacent pipelines 3; the flange plate 32 is provided with bolt holes 33 and a sealing ring groove 35, and a sealing ring 36 is arranged in the sealing ring groove 35, so that the sealing performance of a joint is improved, and the leakage at the joint is avoided;
7) hoisting the connected pipelines 3 by using the integral hoisting frame 5, and hooking the lifting hooks 511 on the stiffening ribs 31 on the two sides of the pipelines 3; a plurality of lifting cranes 59 are arranged on the longitudinal supporting beam 58 of the integral lifting frame 5, and the lifting cranes 59 are lifted and lowered synchronously to ensure that the axial line type of the pipeline 3 does not deviate greatly; the transverse sliding trolley 55 on the integral hoisting frame 5 can slide along the transverse supporting beam 54, and the longitudinal supporting beam 54 drives the pipeline 3 to move transversely, so that the pipeline 3 is transported to the upper part of the excavated groove 12 from the ground;
8) the frangible temporary supports 61 are removed, the pipe 3 is lowered into the trench 12, and the trench 12 is backfilled with backfill 15.
Claims (7)
1. The construction method for integrally descending the upper connection part of the pipeline ditch is characterized by comprising the following construction steps:
1) inserting steel sheet pile supports (6) into two sides of a groove (12) to be excavated, and fixing the top ends of the steel sheet pile supports (6) by using easily-detachable temporary supports (61);
2) excavating a groove (12), and arranging a sand cushion layer (14) on the surface of the groove (12);
3) laying steel rails (4) on two sides of the groove (12), and fixing the steel rails (4) on the ground (13) by using anchor bolts (41); paving a steel base plate (1) on one side of the groove (12), and fixing the steel base plate (1) on the ground (13) by adopting soil nails (11);
4) placing the integral lifting frame (5) on the steel rail (4);
5) placing an adjustable butt joint frame (2) on a steel base plate (1), placing a pipeline (3) on the adjustable butt joint frame (2), supporting an adjustable support rod (21) below a stiffening rib (31) of the pipeline (3), and adjusting the length of the adjustable support rod (21) to enable the pipeline (3) to be on the same axis;
6) connecting and fixing the adjacent pipelines (3) by using connecting bolts (34) to penetrate through bolt holes (33) on flanges (32) of the adjacent pipelines (3);
7) hoisting the connected pipelines (3) by using an integral hoisting frame (5), wherein the lifting hooks (511) are hooked on stiffening ribs (31) on two sides of the pipelines (3);
8) and (3) dismantling the easy-to-detach temporary support (61), lowering the pipeline (3) into the groove (12), and backfilling the groove (12) by using backfill materials (15).
2. The construction method for connecting the whole upper pipe trench and the whole lower pipe trench according to claim 1, wherein the detachable temporary support (61) in the step 1) mainly comprises a transverse telescopic rod (62), an inner support wing plate (65), an outer clamping plate (67) and a fastening screw (68), wherein the inner support wing plate (65) is fixed on the transverse telescopic rod (62), the outer clamping plate (67) is threaded on the transverse telescopic rod (62), and the fastening screw (68) is in threaded connection with the transverse telescopic rod (62); the easily detachable temporary support (61) is detached when the pipeline (3) is laid in the ditch.
3. The pipe trench upper connection integral gully construction method according to claim 2, wherein step 1) the upper end of the steel sheet pile support (6) is provided with a longitudinal support rod (64), the longitudinal support rod (64) is clamped between the inner support wing plate (65) and the steel sheet pile support (6), the outer clamping plate (67) is arranged at the outer side of the steel sheet pile support (6) and clings to the steel sheet pile support (6), and the fastening screw (68) clings to the outer clamping plate (67); the transverse telescopic rod (62) is lengthened and shortened through an adjusting bolt (63); the lower part of the inner side supporting wing plate (65) is provided with a supporting block (66) which protrudes outwards, and the longitudinal supporting rod (64) is placed above the supporting block (66).
4. The pipe trench upper-connection integral trench construction method according to claim 1, wherein the integral lifting frame (5) in step 4) mainly comprises a vertical support rod (51), a longitudinal connecting beam (53), a transverse support beam (54), a transverse sliding trolley (55), a longitudinal support beam (58) and a lifting crane (59), the top end of the vertical support rod (51) is respectively connected with the longitudinal connecting beam (53) and the transverse support beam (54), a longitudinal pulley (52) is arranged at the bottom end of the vertical support rod (51), the transverse sliding trolley (55) comprises a transverse pulley (56) and a support plate (57), the transverse pulley (56) is supported on the transverse support beam (54), two ends of the longitudinal support beam (58) are lapped on the support plate (57), the lifting crane (59) is arranged on the longitudinal support beam (58), and a lifting rope (510) is arranged on the lifting crane (59), the lower section of the lifting rope (510) is divided into two parts, and each part of the lifting rope (510) is provided with a lifting hook (511).
5. The pipe trench upper connection integral trench lower construction method according to claim 1, wherein the adjustable butt-joint frame (2) in the step 5) is composed of adjustable support rods (21), transverse connecting rods (22) and stiffening blocks (23), the transverse connecting rods (22) connect the adjustable support rods (21) into a whole, and the stiffening blocks (23) are arranged at the connection nodes of the transverse connecting rods (22) and the adjustable support rods (21).
6. The method for constructing the integrated sewer pipe-in-pipe connection of the pipeline ditch of claim 1, wherein in the step 6), the flange plate (32) is provided with bolt holes (33) and a sealing ring groove (35), and a sealing ring (36) is arranged in the sealing ring groove (35).
7. The pipe trench upper-connection integral trench construction method according to claim 4, wherein, in the step 4), a plurality of lifting cranes (59) are arranged on the longitudinal supporting beams (58) of the integral lifting frame (5), and the lifting cranes (59) are lifted and lowered synchronously; and the transverse sliding trolley (55) on the integral hoisting frame (5) slides along the transverse supporting beam (54).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010476339.4A CN111794343B (en) | 2020-05-29 | 2020-05-29 | Construction method for connecting pipeline ditch with integrated sewer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010476339.4A CN111794343B (en) | 2020-05-29 | 2020-05-29 | Construction method for connecting pipeline ditch with integrated sewer |
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| CN111794343A CN111794343A (en) | 2020-10-20 |
| CN111794343B true CN111794343B (en) | 2021-11-19 |
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Families Citing this family (1)
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| CN112502173B (en) * | 2020-10-26 | 2021-11-30 | 浙江世润建创科技发展有限公司 | Construction method for excavating whole sewer pipeline by high-water-content soft soil precipitation |
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| CN110295662A (en) * | 2019-07-13 | 2019-10-01 | 济邦建设集团有限公司 | A kind of town road construction of sewer device and method thereof |
| US10577769B2 (en) * | 2016-02-29 | 2020-03-03 | Naturspeicher Gmbh | Shoring system for laying pipe in a trench, supporting unit therefor and method therefor |
| CN111197343A (en) * | 2020-03-25 | 2020-05-26 | 广东荣潮拓展建设有限公司 | Drainage pipeline installation process |
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2020
- 2020-05-29 CN CN202010476339.4A patent/CN111794343B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442694A (en) * | 2015-11-16 | 2016-03-30 | 中科路域（北京）生态投资有限公司 | Method for constructing top pipe of prestressed reinforced concrete sewage intercepting pipe |
| US10577769B2 (en) * | 2016-02-29 | 2020-03-03 | Naturspeicher Gmbh | Shoring system for laying pipe in a trench, supporting unit therefor and method therefor |
| CN106759384A (en) * | 2016-12-24 | 2017-05-31 | 中铁十八局集团有限公司 | A kind of method that use prefabricated pipeline base plate does Brace in Deep Footing Groove |
| CN109577453A (en) * | 2018-11-27 | 2019-04-05 | 杭州江润科技有限公司 | Integrally formed gutter and its construction method |
| CN110185119A (en) * | 2019-06-03 | 2019-08-30 | 安徽省新路建设工程集团有限责任公司 | Rain sewage pipe Combined type interface and construction method |
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