CN112503247A - Slope section water pipeline and construction method thereof - Google Patents
Slope section water pipeline and construction method thereof Download PDFInfo
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- CN112503247A CN112503247A CN202011361158.3A CN202011361158A CN112503247A CN 112503247 A CN112503247 A CN 112503247A CN 202011361158 A CN202011361158 A CN 202011361158A CN 112503247 A CN112503247 A CN 112503247A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/06—Accessories therefor, e.g. anchors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
- F16L13/02—Welded joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention relates to a slope section water pipe, which comprises a groove, a base groove, a long-distance steel pipe unit, an anti-slip precast concrete base, a pipe joint and a pipe support pad, wherein the groove is formed in the base groove; the long-distance steel pipe units, the anti-slip precast concrete bases, the pipeline joints and the pipeline support pads are all embedded in the grooves, base grooves are formed in the grooves and used for placing the anti-slip precast concrete bases, the pipeline joints are bolted on the anti-slip precast concrete bases, the two ends of each pipeline joint are welded and connected with the long-distance steel pipe units, and the pipeline support pads are arranged along the long-distance steel pipe units at intervals; the anti-slip precast concrete base mainly comprises a base and a cup wall. The invention has the beneficial effects that: the prefabricated anti-sliding precast concrete base is fixed in the slope base groove by the expansion anchor rod, so that the structure is simple, the construction is convenient, the construction period is saved, and the environmental pollution is reduced.
Description
Technical Field
The invention relates to pipeline installation, in particular to a slope section water pipeline and a construction method thereof.
Background
The construction is carried out in a complex geographical environment, and the construction environment is diversified. The pipeline butt joint is carried out in a flat area or a place with a small angle, construction can be carried out through the pipeline butt joint machine, then the butt joint pipeline is welded and installed manually, however, problems always exist in installation and butt joint operation of the large pipeline in the environment of a slope section, downward sliding caused by the gravity of the large pipeline needs to be considered, accurate butt joint of the installed pipeline and the preparation butt joint pipeline needs to be considered, and construction difficulty is greatly increased.
Therefore, the slope section water pipeline which is simple and convenient to construct, safe and stable in foundation and capable of being rapidly and accurately butted and the construction method thereof are needed to be found out very importantly.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a slope section water pipe and a construction method thereof.
The slope section water pipe comprises a groove, a base groove, a long-distance steel pipe unit, an anti-slip precast concrete base, a pipe joint and a pipe support pad; the long-distance steel pipe units, the anti-slip precast concrete bases, the pipeline joints and the pipeline support pads are all buried in the grooves, base grooves are formed in the grooves and used for placing the anti-slip precast concrete bases, the pipeline joints are bolted on the anti-slip precast concrete bases, the two ends of each pipeline joint are welded and connected with the long-distance steel pipe units, and the pipeline support pads are arranged along the long-distance steel pipe units at intervals; the anti-slip precast concrete base mainly comprises a base and a cup wall; the pipeline joint mainly comprises a steel pipe, a water hammer eliminator, a semi-annular steel sleeve and an insertion lug plate with a screw hole; the pipeline support pad is composed of a precast concrete cushion plate, an embedded steel plate, a steel wedge and a cushion layer.
Preferably, the method comprises the following steps: the anti-slip precast concrete base is an independent cup-mouth-shaped foundation, through expansion anchor rod holes are formed in four corners of a cup wall and in the direction perpendicular to the bottom surface of the base groove, through screw rod holes are formed in the cup wall along the pipeline laying direction, through expansion anchor rod holes are also formed in the base surrounded by the cup wall, a concrete injection port and a concrete overflow port are symmetrically formed in the upper end corner of the cup wall perpendicular to the pipeline laying direction, the expansion anchor rod penetrates through the expansion anchor rod holes to be fixed in the base groove, and a cushion layer is laid at the bottom of the base groove to serve as a transition.
Preferably, the method comprises the following steps: the water hammer eliminator is arranged right above the steel pipe, a pair of semi-annular steel sleeves are welded at two ends of the steel pipe and used for placing the long-distance steel pipe unit, a water-stopping rubber ring is arranged in each semi-annular steel sleeve, a connecting lug plate with a bolt hole is arranged at the end part of each semi-annular steel sleeve, and each semi-annular steel sleeve is arranged at the lower part of the steel pipe; the other pair of semi-annular steel sleeves positioned at the upper part of the steel pipe is also provided with a water stop rubber ring and a connecting lug plate with a bolt hole, and the upper and lower pairs of semi-annular steel sleeves are bolted through the bolt hole on the connecting lug plate to form a closed annular steel sleeve; the lower end of the steel pipe is provided with a pair of insertion ear plates with screw holes, and the insertion ear plates connect and fix the pipeline joint and the anti-slip precast concrete base through screws, nuts and concrete to form a whole.
Preferably, the method comprises the following steps: pipeline brace interval one section distance setting long distance steel pipe unit lower part between two pipe joint, precast concrete bolster lower part is arranged in to the bed course, the embedding steel sheet embedding is in the upper and lower end on precast concrete bolster surface, the expansion anchor rod hole is seted up in the four corners department of precast concrete bolster, the expansion anchor rod is fixed pipeline brace in the ditch inslot, precast concrete bolster top is equipped with the top and is lifted the gasbag, embedding steel sheet department is squeezed into the steel wedge with fixed long distance steel pipe unit, steel wedge welded fastening is on the embedding steel sheet.
The construction method of the slope section water pipe comprises the following steps:
1) according to the field topographic condition, excavating a groove from bottom to top along the whole slope, wherein the groove excavation is tightly combined with the development of a construction operation zone, and excavated earthwork is directly used for filling the operation zone;
2) excavating a base groove in the excavated groove at regular intervals according to the length of the long-distance steel pipe unit, wherein each side is widened and the bottom is deepened;
3) installing the anti-slip precast concrete base processed in the factory into the base groove: firstly, paving a cushion layer in a base groove, then fixing the anti-slip precast concrete base in the base groove by adopting an expansion anchor rod, and finally backfilling and compacting backfill for the base groove;
4) installing the pipe support pad processed in the factory at the corresponding position of the groove: firstly, paving a cushion layer at a corresponding position of the groove, and tightly and firmly fixing a pipeline support cushion at the corresponding position of the groove by using an expansion anchor rod;
5) installing a pipeline joint on the anti-slip precast concrete base: the screw hole of the inserted lug plate corresponds to the screw hole on the cup wall in position, then the inserted screw penetrates through the inserted screw, the screw cap is screwed, and concrete is poured into a space enclosed by the inner part of the cup wall through the concrete inlet until the concrete overflow outlet overflows;
6) hoisting long-distance steel pipe units between the installed pipe joints: the method comprises the following steps of firstly temporarily fixing a long-distance steel pipe unit on semi-annular steel sleeves of two pipeline joints, then adjusting the height of the long-distance steel pipe unit on a pipeline support pad by using a jacking air bag, then adjusting the transverse position of the long-distance steel pipe unit by using a steel wedge, deflating after the position is determined, withdrawing the jacking air bag, then installing the other half of the semi-annular steel sleeve on the upper part of the semi-annular steel sleeve, fastening by using a bolt to form a closed steel sleeve, then welding the steel wedge with an embedded steel plate, and hermetically welding the long-distance steel pipe unit and the closed steel sleeve;
7) and (5) repeating the steps 3) to 6), sequentially completing the installation work of the anti-slip precast concrete base, the pipeline support pad, the pipeline joint and the long-distance steel pipe unit in the whole slope section, and then backfilling and compacting the backfill in the groove to complete the construction operation of the slope section water pipeline.
The invention has the beneficial effects that:
1. the prefabricated anti-sliding precast concrete base adopted by the invention is fixed on the slope base groove by the expansion anchor rod, so that the structure is simple, the construction is convenient, the construction period is saved, and the environmental pollution is reduced.
2. The pipeline joint adopted by the invention can realize rapid and accurate pipeline butt joint, provides convenience for pipeline butt joint operation on a slope, and improves the construction efficiency.
3. The pipeline support pad adopted by the invention is simple and convenient in construction operation, can prevent the long-distance steel pipe unit from being overlong and being bent too much under the soil pressure, improves the pipeline installation quality, and is safe and efficient.
Drawings
Fig. 1 is a schematic diagram of a slope section water pipeline arrangement;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a plan view of the anti-migration precast concrete base;
FIG. 4 is a schematic view of the installation of the precast concrete base for preventing slippage of the slope section;
fig. 5 is a schematic view of a ramp segment pipe joint installation;
FIG. 6 is a schematic view of a semi-closed loop steel casing;
FIG. 7 is a schematic view of a pipe support pad arrangement;
FIG. 8 is a plan view of a tube support pad;
FIG. 9 is a plan view of a precast concrete pad;
FIG. 10 is a cross-sectional view B-B of FIG. 9;
FIG. 11 is a schematic illustration of a pipe trench backfill.
Description of reference numerals: 1-a groove; 2-base groove; 3-long-distance steel pipe unit; 4, anti-slip prefabricated concrete base; 5-pipe joint; 6-pipeline support cushion; 7-base; 8-the wall of the cup; 9-expansion anchor rod hole; 10-screw hole; 11-concrete injection port; 12-concrete overflow outlet; 13-steel pipe; 14-Water hammer arrestor; 15-semi-annular steel sleeve; 16-water stop rubber ring; 17-bolt hole; 18-insert ear plate; 19-closed ring steel sleeve; 20-connecting ear plate; 21-screw rod; 22-a nut; 23-concrete; 24-precast concrete pad; 25-embedded steel plate; 26-steel wedge; 27-a cushion layer; 28-lifting the air bag; 29-expansion anchor rod; 30-bolt; 31-backfill soil.
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.
The slope section water pipe comprises a groove 1, a base groove 2, a long-distance steel pipe unit 3, an anti-slip precast concrete base 4, a pipe joint 5 and a pipe support pad 6; long distance steel pipe unit 3, antiskid precast concrete base 4, pipeline joint 5 and pipeline support 6 all bury underground in slot 1, are equipped with base groove 2 again in the slot 1 and are used for laying antiskid precast concrete base 4, and pipeline joint 5 bolt joint is on antiskid precast concrete base 4, then adopts the welded mode to connect long distance steel pipe unit 3 at pipeline joint 5 both ends to be provided with a pipeline support 6 along long distance steel pipe unit 3 every certain interval.
The anti-sliding precast concrete base 4 is similar to an independent cup-mouth-shaped foundation and is formed by pouring reinforced concrete at one time, the anti-sliding precast concrete base 4 mainly comprises a base 7 and a cup wall 8, through expansion anchor rod holes 9 are arranged at four corners of the cup wall 8 and in a direction perpendicular to the bottom surface of the base groove 2, through screw rod holes 10 are arranged in the cup wall 8 along the pipeline arrangement direction, through expansion anchor rod holes 9 are also arranged in the base 7 surrounded by the cup wall 8, a concrete injection port 11 and a concrete overflow port 12 are symmetrically arranged at the upper end corner of the cup wall 8 perpendicular to the pipeline arrangement direction, and when an expansion anchor rod 29 is fixed on the base groove 2 through the expansion anchor rod holes 9, a cushion layer 27 needs to be laid in advance to serve as transition.
The pipeline joint 5 mainly comprises a steel pipe 13, a water hammer eliminator 14, a semi-annular steel sleeve 15 and an insertion lug plate 18 with a screw hole 10, wherein the water hammer eliminator 14 is arranged right above the steel pipe 13, a pair of semi-annular steel sleeves 15 are welded at two ends of the steel pipe 13 and used for placing the long-distance steel pipe unit 3, a water-stopping rubber ring 16 is arranged in each semi-annular steel sleeve 15, a connection lug plate 20 with a bolt hole 17 is arranged at the end part of each semi-annular steel sleeve 15, and each semi-annular steel sleeve 15 is arranged at the lower part of the steel pipe 13; the other pair of semi-annular steel sleeves 15 positioned at the upper part of the steel pipe 13 is also provided with a water-stop rubber ring 16 and a connecting lug plate 20 with bolt holes 17, but the long-distance steel pipe unit 3 is separately installed after being placed, and the upper and lower pairs of semi-annular steel sleeves 15 are bolted through the bolt holes 17 on the connecting lug plate 20 to form a closed-loop steel sleeve 19; the lower end of the steel pipe 13 is provided with a pair of insertion lugs 18 with screw holes 10, and the insertion lugs 18 can connect and fix the pipeline joint 5 and the anti-slip precast concrete base 4 into a whole through a screw 21, a nut 22 and concrete 23.
The pipeline support pads 6 are arranged at the lower part of the long-distance steel pipe unit 3 between the two pipeline joints 5 at intervals to prevent the long-distance steel pipe unit 3 from being overlong and being bent greatly under the soil pressure, the pipeline support pads 6 are composed of precast concrete cushion plates 24, embedded steel plates 25, steel wedges 26 and cushion layers 27, the cushion layers 27 are arranged at the lower parts of the precast concrete cushion plates 24, the embedded steel plates 25 are embedded into the upper and lower ends of the surfaces of the precast concrete cushion plates 24 in advance, expansion anchor rod holes 9 are formed at the four corners of the precast concrete cushion plates 24, the pipeline support pads 6 are fixed in the grooves 1 by expansion anchor rods 29, jacking air bags 28 are arranged above the precast concrete cushion plates 24, the heights of the long-distance steel pipe units 3 on the pipeline support pads 6 are adjusted by the jacking air bags 28, and then the steel wedges 26 are quickly driven into the positions of the embedded steel plates 25 to fix, the steel wedge 26 is fixed on the embedded steel plate 25 by welding, and then the jacking air bag 28 is drawn out by exhausting.
The construction method of the slope section water pipe comprises the following steps:
1) as shown in fig. 1 and 2, according to the field topographic conditions, a groove 1 is dug from bottom to top along the whole slope, the digging of the groove 1 is tightly combined with the digging of a construction operation zone, the dug earth and stone are directly used for filling the operation zone, and the dug groove 1 is straight without protruding sharp stone edges.
2) As shown in fig. 1 and 2, a base groove 2 is excavated at regular intervals according to the length of a long-distance steel pipe unit 3 in an excavated groove 1, each side is widened by 0.5m, and the bottom is deepened by 0.5m, so that assembly welding is facilitated.
3) As shown in fig. 3 and 4, a cup-shaped slip-preventing precast concrete base 4 processed in a factory is installed in the base tub 2: firstly, a fine soil cushion 27 with the particle size of no more than 10mm is paved in the base groove 2, then the anti-slip precast concrete base 4 is fixed in the base groove 2 by adopting an expansion anchor rod 29, and finally, backfill and compaction are carried out on the base groove.
4) As shown in fig. 9 and 10, the square pipe support pad 6 processed in the factory is installed at the corresponding position of the groove 1: firstly, a fine soil cushion layer 27 with the particle size of 200mm is paved at the corresponding position of the groove 1, the particle size of the fine soil is not more than 10mm, and the pipeline support pad 6 is firmly fixed at the corresponding position of the groove 1 by an expansion anchor rod 29.
5) As shown in fig. 5, the pipe joint 5 is installed on the anti-slip precast concrete base 4: the screw hole 10 of the insert lug 18 is corresponding to the screw hole 10 of the cup wall 8, then the insert screw 21 is penetrated through, the screw cap 22 is screwed, and the concrete 23 is poured into the space enclosed by the cup wall 8 through the concrete inlet 11 until the concrete overflow outlet 12 overflows.
6) As shown in fig. 1, 7, and 8, the long-distance steel pipe unit 3 is hoisted between the installed pipe joints 5: firstly, the long-distance steel pipe unit 3 is temporarily fixed on the semi-annular steel sleeve 15 of the two pipe joints 5, then the height of the long-distance steel pipe unit 3 is adjusted on the pipeline support cushion 6 by using the jacking air bag 28, then the transverse position of the long-distance steel pipe unit 3 is adjusted by using the steel wedge 26, the jacking air bag 28 is deflated after the position is determined, then the other half of the semi-annular steel sleeve 15 is installed on the upper part of the semi-annular steel sleeve 15, the closed steel sleeve 19 is formed by using the bolt 30 to bolt, then the steel wedge 26 is welded with the embedded steel plate 25, and the long-distance steel pipe unit 3 and the closed steel sleeve 19 are hermetically welded.
7) And (5) repeating the steps 3) to 6), sequentially completing the installation work of the anti-slip precast concrete base 4, the pipeline support pad 6, the pipeline joint 5 and the long-distance steel pipe unit 3 in the whole slope section, as shown in fig. 11, and then backfilling and compacting the backfill 31 in the groove 1 to complete the construction work of the slope section water pipeline.
Claims (5)
1. A slope section water pipe is characterized by comprising a groove (1), a base groove (2), a long-distance steel pipe unit (3), an anti-sliding precast concrete base (4), a pipe joint (5) and a pipe support pad (6); the long-distance steel pipe units (3), the anti-slip precast concrete bases (4), the pipeline joints (5) and the pipeline support pads (6) are all embedded in the grooves (1), base grooves (2) are formed in the grooves (1) and used for placing the anti-slip precast concrete bases (4), the pipeline joints (5) are bolted on the anti-slip precast concrete bases (4), the two ends of the pipeline joints (5) are connected with the long-distance steel pipe units (3) in a welding mode, and the pipeline support pads (6) are arranged along the long-distance steel pipe units (3) at intervals; the anti-slip precast concrete base (4) mainly comprises a base (7) and a cup wall (8); the pipeline joint (5) mainly comprises a steel pipe (13), a water hammer eliminator (14), a semi-annular steel sleeve (15) and an insertion lug plate (18) with a screw hole (10); the pipeline support pad (6) is composed of a precast concrete cushion plate (24), an embedded steel plate (25), a steel wedge (26) and a cushion layer (27).
2. The slope section water pipe according to claim 1, wherein the anti-sliding precast concrete base (4) is an independent cup-mouth-shaped foundation, through expansion anchor rod holes (9) are arranged at four corners of the cup wall (8) and in a direction perpendicular to the bottom surface of the base groove (2), through screw rod holes (10) are arranged in the cup wall (8) along the pipeline arrangement direction, through expansion anchor rod holes (9) are also arranged in the base (7) surrounded by the cup wall (8), a concrete injection port (11) and a concrete overflow port (12) are symmetrically arranged at an upper corner of the cup wall (8) perpendicular to the pipeline arrangement direction, the expansion anchor rod (29) penetrates through the expansion anchor rod holes (9) to be fixed in the base groove (2), and a cushion layer (27) is laid at the bottom of the base groove (2) to serve as a transition.
3. The slope section water pipe according to claim 1, wherein the water hammer arrestor (14) is arranged right above the steel pipe (13), a pair of semi-annular steel sleeves (15) are welded at two ends of the steel pipe (13) and used for placing the long-distance steel pipe unit (3), a water stop rubber ring (16) is arranged in each semi-annular steel sleeve (15), a connecting lug plate (20) with a bolt hole (17) is arranged at the end part of each semi-annular steel sleeve (15), and each semi-annular steel sleeve (15) is arranged at the lower part of the steel pipe (13); the other pair of semi-annular steel sleeves (15) positioned at the upper part of the steel pipe (13) is also provided with a water stop rubber ring (16) and a connecting lug plate (20) with a bolt hole (17), and the upper and lower pairs of semi-annular steel sleeves (15) are bolted through the bolt hole (17) on the connecting lug plate (20) to form a closed annular steel sleeve (19); the lower end of the steel pipe (13) is provided with a pair of insertion lug plates (18) with screw holes (10), and the insertion lug plates (18) connect and fix the pipeline joint (5) and the anti-sliding precast concrete base (4) to form a whole through a screw (21), a screw cap (22) and concrete (23).
4. The slope section water pipe according to claim 1, wherein the pipe support pads (6) are arranged at the lower part of the long-distance steel pipe unit (3) between the two pipe joints (5) at intervals, the cushion layer (27) is arranged at the lower part of the precast concrete pad (24), the embedded steel plates (25) are embedded at the upper end and the lower end of the surface of the precast concrete pad (24), expansion anchor rod holes (9) are formed at four corners of the precast concrete pad (24), the pipe support pads (6) are fixed in the groove (1) by the expansion anchor rods (29), the jacking air bags (28) are arranged above the precast concrete pad (24), steel wedges (26) are driven into the embedded steel plates (25) to fix the long-distance steel pipe unit (3), and the steel wedges (26) are welded and fixed on the embedded steel plates (25).
5. The construction method of the slope section water pipe based on the claim 1 is characterized by comprising the following steps:
1) according to the field topographic condition, excavating a groove (1) from bottom to top along the whole slope, wherein the excavation of the groove (1) is tightly combined with the development of a construction operation zone, and excavated earthwork is directly used for filling the operation zone;
2) excavating a base groove (2) in the excavated groove (1) at regular intervals according to the length of the long-distance steel pipe unit (3), widening each side and deepening the bottom;
3) installing a factory-processed slip-resistant precast concrete base (4) into the base groove (2): firstly, paving a cushion layer (27) in the base groove (2), then fixing the anti-slip precast concrete base (4) in the base groove (2) by adopting an expansion anchor rod (29), and finally backfilling and compacting the backfill soil of the base groove;
4) installing the pipe support pad (6) processed in the factory at the corresponding position of the groove (1): firstly, paving a cushion layer (27) at the corresponding position of the groove (1), and tightly fixing the pipeline support pad (6) at the corresponding position of the groove (1) by using an expansion anchor rod (29);
5) installing a pipeline joint (5) on the anti-sliding precast concrete base (4): the screw hole (10) inserted into the lug plate (18) corresponds to the screw hole (10) on the cup wall (8) in position, then the screw (21) is inserted in a penetrating way, the screw cap (22) is screwed, and concrete (23) is poured into a space enclosed by the inner part of the cup wall (8) through the concrete injection port (11) until the concrete overflow port (12) overflows;
6) hoisting long-distance steel pipe units (3) between the installed pipe joints (5): the method comprises the steps that firstly, a long-distance steel pipe unit (3) is temporarily fixed on semi-annular steel sleeves (15) of two pipeline joints (5), then the height of the long-distance steel pipe unit (3) is adjusted on a pipeline support pad (6) through a jacking air bag (28), then the transverse position of the long-distance steel pipe unit (3) is adjusted through a steel wedge (26), the jacking air bag (28) is deflated after the position is determined, then the other half of the semi-annular steel sleeve (15) is installed on the upper portion of the semi-annular steel sleeve (15), a closed steel sleeve (19) is formed by fastening through a bolt (30), then the steel wedge (26) is welded with an embedded steel plate (25), and the long-distance steel pipe unit (3) and the closed steel sleeve (19) are hermetically welded;
7) and (4) repeating the steps 3) to 6), sequentially completing the installation work of the anti-slip precast concrete base (4), the pipeline support pad (6), the pipeline joint (5) and the long-distance steel pipe unit (3) in the whole slope section, and then backfilling and compacting the backfill soil (31) in the groove (1) to complete the construction operation of the slope section water pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361158.3A CN112503247A (en) | 2020-11-27 | 2020-11-27 | Slope section water pipeline and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361158.3A CN112503247A (en) | 2020-11-27 | 2020-11-27 | Slope section water pipeline and construction method thereof |
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| CN112503247A true CN112503247A (en) | 2021-03-16 |
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| CN202011361158.3A Withdrawn CN112503247A (en) | 2020-11-27 | 2020-11-27 | Slope section water pipeline and construction method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114045796A (en) * | 2021-12-14 | 2022-02-15 | 四川省水利水电勘测设计研究院有限公司 | Steep slope section inverted siphon pipe arrangement structure and construction method |
| CN114215961A (en) * | 2021-12-13 | 2022-03-22 | 中铁西北科学研究院有限公司 | Construction method suitable for pipeline engineering supporting structure in landslide area |
| CN114923032A (en) * | 2022-04-08 | 2022-08-19 | 淮安市水利勘测设计研究院有限公司 | Construction method for integral installation of large-diameter long-distance river-crossing pipeline |
| CN116398716A (en) * | 2023-06-06 | 2023-07-07 | 福建佳园生态建设有限公司 | Pipeline limiting assembly for intelligent irrigation equipment |
-
2020
- 2020-11-27 CN CN202011361158.3A patent/CN112503247A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215961A (en) * | 2021-12-13 | 2022-03-22 | 中铁西北科学研究院有限公司 | Construction method suitable for pipeline engineering supporting structure in landslide area |
| CN114215961B (en) * | 2021-12-13 | 2023-10-27 | 中铁西北科学研究院有限公司 | A construction method suitable for pipeline engineering support structures in landslide areas |
| CN114045796A (en) * | 2021-12-14 | 2022-02-15 | 四川省水利水电勘测设计研究院有限公司 | Steep slope section inverted siphon pipe arrangement structure and construction method |
| CN114923032A (en) * | 2022-04-08 | 2022-08-19 | 淮安市水利勘测设计研究院有限公司 | Construction method for integral installation of large-diameter long-distance river-crossing pipeline |
| CN116398716A (en) * | 2023-06-06 | 2023-07-07 | 福建佳园生态建设有限公司 | Pipeline limiting assembly for intelligent irrigation equipment |
| CN116398716B (en) * | 2023-06-06 | 2023-08-11 | 福建佳园生态建设有限公司 | Pipeline limiting assembly for intelligent irrigation equipment |
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Application publication date: 20210316 |