CN107700532A - Assembled underground pipe gallery splits structure and assemble method - Google Patents

Abstract

The present invention belongs to the field of urban underground comprehensive pipe gallery, and specifically relates to a dismantling structure and assembly method of an assembled underground comprehensive pipe gallery. use. Prefabricated steel plate segments are used in the factory, and the prefabricated steel plate segments are hoisted on site, and self-compacting concrete is poured into the assembled prefabricated steel plate segments to form a pipe gallery structure with steel plates on the inner and outer layers and concrete in the middle. The structure includes: prefabricated short sides The upper segment, the prefabricated long side upper segment, the prefabricated lower segment and the sub-warehouse steel plate, the two ends of the prefabricated short side upper segment are connected with the prefabricated long side upper segment, the initial prefabricated upper segment and the end prefabricated upper segment One end of the pipe is flush with the prefabricated lower segment, and the other end is connected with the prefabricated long side segment to form a pipe gallery. The invention improves the deficiencies of the structure of the traditional pipe gallery and meets the actual engineering needs of pipelines installed in the underground pipe gallery.

Description

Disassembly structure and assembly method of prefabricated underground comprehensive utility gallery

technical field

The present invention belongs to the field of urban underground comprehensive pipe gallery, and specifically relates to a dismantling structure and assembly method of an assembled underground comprehensive pipe gallery. use.

Background technique

In the construction of urban underground comprehensive pipe corridors, the segments mostly adopt prefabricated concrete structure or prefabricated thick steel plate structure, and the connection of the segments mainly adopts bolt connection or welding. In this split structure, the split length of the segments is short, self-heavy, and there are many splicing joints, which delays the construction progress and wastes a lot of concrete and steel; the poor integrity of the pipe gallery and poor seismic performance restrict its use in earthquakes. The promotion and application of the district; the interior of the pipe gallery is riddled with holes and even serious water leakage due to the over-drilling of the pipe laying; The "spider web" phenomenon such as chaotic cloth has brought great inconvenience to urban planning and comprehensive management.

Contents of the invention

The purpose of the present invention is to provide a dismantling structure and assembly method of an assembled underground comprehensive pipe gallery, which can improve the shortcomings of the traditional pipe gallery structure and meet the actual engineering needs of pipelines installed in the underground pipe gallery.

Technical scheme of the present invention is:

A prefabricated underground comprehensive pipe gallery split structure, using factory prefabricated steel plate segments, hoisting the prefabricated steel plate segments on site, and pouring self-compacting concrete into the assembled prefabricated steel plate segments, forming the inner and outer layers of steel plates and the middle of concrete The pipe gallery structure includes: prefabricated short-side upper segment, prefabricated long-side upper segment, prefabricated lower segment and sub-warehouse steel plate, the two ends of the prefabricated short-side upper segment are connected with the prefabricated long-side upper segment, One end of the starting prefabricated upper segment and the end prefabricated upper segment are flush with the prefabricated lower segment, and the other end is connected with the prefabricated long side segment to form a pipe gallery; the prefabricated short side upper segment and the prefabricated long side upper segment As well as the joints between the prefabricated short-side upper segment, the prefabricated long-side upper segment and the prefabricated lower segment, pass the U-shaped bolt rod through the reserved bolt hole, add rubber pads inside the segment and tighten the nut to connect, the pipe The joints between the steel plates of the internal and partial warehouses are connected by single-sided welding on the upper and lower sides; after all the prefabricated segment structures are assembled, self-compacting concrete is poured through the reserved segment pouring holes and the reserved steel plate pouring holes at the same time, and the steel plates pass through the self-compacting concrete. Dense concrete joins to form a whole.

In the split structure of the assembled underground comprehensive pipe gallery, the prefabricated lower segment is connected by straight bolts between two arc-shaped steel plates, the prefabricated lower segment and the sub-compartment steel plate form the prefabricated sub-compartment lower segment, and the sub-compartment steel plate Set in the prefabricated lower segment; the prefabricated short side upper segment or the prefabricated long side upper segment is connected by a straight bolt rod between two arc-shaped steel plates, and the length of the arc-shaped steel plate of the prefabricated short side segment is shorter than the prefabricated long side The length of the curved steel plate of the upper segment.

In the dismantling structure of the assembled underground comprehensive pipe gallery, the sub-warehouse steel plates include two right-angle steel plates, steel plates with reserved steel plate pouring holes, and concrete pads. The facades of the two right-angle steel plates are oppositely arranged, and the two right-angle The facades of the steel plates are connected by straight bolt rods, the planes of the two right-angled steel plates are kept on the same plane, the planes of the two right-angled steel plates are provided with concrete pads, and the tops of the concrete pads are provided with steel plates with reserved steel plate pouring holes.

In the split structure of the assembled underground comprehensive pipe gallery, reserved bolt holes are set on the facades of the two right-angled steel plates, and the two ends of the straight bolt rods of the bolts on the pressure-bearing backing plate respectively pass through the reserved bolt holes. Add rubber pads to the two ends of the bolt holes and tighten the nuts to fix the two steel plates. The distance between the facades of the two steel plates is determined by the distance between the pressure pads of the two steel plates.

In the split structure of the assembled underground comprehensive pipe gallery, the bolts of the pressure backing plate are composed of straight bolt rods, nuts and steel plate pressure pads, and the distance between the steel plate pressure pads and the nuts is greater than the thickness of the steel plate and the curved steel plate. Add a rubber pad to tighten the nut to increase the tightness between the nut and the steel plate and the curved steel plate.

In the dismantled structure of the prefabricated underground comprehensive pipe gallery, the inner side of the pipe gallery is provided with an arc-shaped steel frame, which is divided into three parts. The arc-shaped steel frame is symmetrically arranged on the inner side of the prefabricated lower segment, and the concave pipe pad is symmetrically arranged on both sides of the facade of the two right-angled steel plates of the sub-warehouse steel plate.

The disassembled structure of the assembled underground comprehensive pipe gallery, the side wall of the arc-shaped steel frame is welded to the pipeline support, and the concave-shaped pipeline steel pipe support is connected to the pipeline support by welding, and the curvature of the arc-shaped steel frame is consistent with the prefabricated short side segment , The curvature of the inner circle of the segment on the prefabricated long side and the inner circle of the prefabricated lower segment is consistent.

The assembly method of the disassembled structure of the prefabricated underground comprehensive pipe gallery, the specific assembly process is as follows:

After hoisting the lower segment of the prefabricated sub-bin into place, hoist the upper segment of the prefabricated short side and the upper segment of the prefabricated long side to the corresponding positions above the prefabricated lower segment respectively, and the two ends of the upper segment of the prefabricated short side are connected with the upper segment of the prefabricated long side. The segments are connected, one end of the prefabricated upper segment and the end of the prefabricated upper segment are flush with the prefabricated lower segment, and the other end is connected with the prefabricated long side segment to form a pipe gallery; the prefabricated short side upper segment is connected to the prefabricated The joints between the long side segment and the prefabricated short side segment, the prefabricated long side segment and the prefabricated lower segment, pass through the reserved bolt hole through the U-shaped bolt rod, and then add rubber inside the segment The nuts are tightened to connect, and the joints between the steel plates of the inner part of the segment are welded on the upper and lower sides of the outer one side; The inner side of the prefabricated upper segment, the other two arc-shaped steel frames are symmetrically arranged on the inner side of the prefabricated lower segment, and the concave pipe spacers are symmetrically arranged on both sides of the facade of the two right-angled steel plates; all prefabricated segment structures are assembled After that, self-compacting concrete is poured at the same time through the reserved segment pouring holes and reserved steel plate pouring holes, and the steel plates are connected into a whole through self-compacting concrete. Apply it, and after the steel glue is solidified, use non-cured rubber asphalt for joint waterproofing.

The assembly method of the disassembled structure of the prefabricated underground comprehensive pipe gallery, the manufacturing process of the sub-warehouse steel plates: firstly, the two ends of the straight bolt rods with the steel plate pressure pads are respectively passed through the holes reserved on the facades of the two rectangular steel plates. Reserve the bolt holes, and then add rubber pads at both ends of the reserved bolt holes and tighten the nuts to fix the two steel plates. The distance between the facades of the two steel plates is determined by the distance between the pressure pads of the two steel plates; Concrete pads are laid on the top, and a raised node is spot welded at the midpoint of each side of each concrete pad, and finally the steel plate with the reserved steel plate pouring hole is placed on the concrete pad to assemble the component warehouse steel plate.

The assembly method of the disassembled structure of the prefabricated underground comprehensive pipe gallery, the manufacturing process of the prefabricated sub-warehouse segment: firstly, the two ends of the straight bolt rod with the steel plate pressure pad are respectively passed through and reserved at the same center of the circle and different radii The reserved bolt holes on the two arc-shaped steel plates, and then add rubber pads inside to tighten the nuts to fix the two arc-shaped steel plates to assemble the prefabricated lower segment. The distance between the two arc-shaped steel plates is determined by the two steel plate pressure pads The distance between them is determined; then put the sub-bin steel plate into the prefabricated lower segment, after positioning, perform single-sided external welding on the left and right sides of the sub-bin steel plate and the bottom of the segment, and the upper left and right sides of the sub-bin steel plate and the left and right sides of the segment The side wall is welded externally on one side, and assembled into a prefabricated sub-bin lower segment;

The prefabricated segment on the short side or the segment on the long side is the manufacturing process: first, pass the two ends of the straight bolt rod with the steel plate pressure pad through the two arc-shaped steel plates with the same center and different radii respectively. Bolt holes are reserved, and then rubber pads are added inside to tighten the nuts to fix two arc-shaped steel plates to assemble into prefabricated segments on the short side or segments on the long side.

The present invention has following characteristics and beneficial effect:

1. Compared with the traditional prefabricated concrete structure or prefabricated thick steel plate structure, the disassembly structure and assembly method of the prefabricated underground comprehensive pipe gallery of the present invention make full use of the high tensile strength of steel and the high compressive strength of concrete, and in the same Under the condition of a small space volume, the thickness and self-weight of the structure are greatly reduced, thereby greatly reducing the amount of concrete and steel.

2. Compared with the traditional prefabricated concrete structure or prefabricated thick steel plate structure, the dismantling structure and assembly method of the assembled underground comprehensive pipe gallery of the present invention has a large dismantling length of the segments, small splicing joints, superior integrity and seismic performance, thus Can be extended to use in earthquake-resistant areas.

3. The disassembly structure and assembly method of the assembled underground comprehensive pipe gallery of the present invention, compared with the traditional mixed precast concrete structure, avoids the slow speed of on-site drilling and the structure caused by dense drilling during the process of laying pipes and pipelines inside the pipe gallery. It is riddled with holes and even cracks and leaks, improving the impermeability of the structure and shortening the construction progress.

4. The dismantling structure and assembly method of the assembled underground comprehensive pipe gallery of the present invention, compared with the traditional underground comprehensive pipe gallery structure, effectively divides the internal space of the pipe gallery by rationally distributing pipeline pads, setting steel frames and pipeline supports, etc. Organize the laying of pipelines, reduce the number of underground utility corridors, and improve the "spider web" status of urban pipelines.

Description of drawings

Figure 1 is a three-dimensional view of the bolts on the bearing plate.

Fig. 2 is a three-dimensional diagram of a U-shaped bolt.

Figure 3 is a three-dimensional view of the pipeline support.

Fig. 4 is a three-dimensional diagram of the assembly of the curved steel frame pipeline support.

Fig. 5 is a three-dimensional view of a concave pipeline pad.

Fig. 6 is a three-dimensional view of the concrete pad.

Fig. 7 is a three-dimensional view of reserved steel plate with holes.

Fig. 8 is a three-dimensional diagram of the distribution of steel plates and pads in the compartments.

Fig. 9 is a three-dimensional view of the completed assembly of the sub-compartment steel plates.

Fig. 10 is a three-dimensional view of the prefabricated lower segment.

Fig. 11 is a three-dimensional diagram of segment assembly under the prefabricated compartment.

Fig. 12 is a three-dimensional view of the prefabricated segment on the short side.

Fig. 13 is a three-dimensional view of the segment on the prefabricated long side.

Fig. 14 is a three-dimensional view of the assembly of the segment on the prefabricated short side and the segment on the lower side of the prefabricated compartment.

Fig. 15 is a three-dimensional view of the assembly of the segment on the prefabricated long side and the segment under the prefabricated compartment.

Fig. 16 is a three-dimensional view of the side seams of the segment on the prefabricated long side and the segment on the lower side of the prefabricated compartment.

Figure 17 is a three-dimensional view of the side seams after the assembly of the prefabricated pipe gallery structure.

Figure 18 is a three-dimensional view of the pouring of the prefabricated pipe gallery structure.

In the figure, 1 straight bolt rod; 2 nut; 3 steel plate pressure pad; 4, U-shaped bolt rod; 5 concave pipeline steel pipe support; 6 pipeline support; Bone; 10 steel plate; 11 curved steel plate; 12 reserved bolt hole; 13 rubber pad; 14 reserved segment pouring hole; 15 reserved steel plate pouring hole; 16 self-compacting concrete; .

detailed description

In the specific implementation process, the present invention proposes a dismantling structure and assembly method of an assembled underground comprehensive pipe gallery. The prefabricated steel plate segment is used in the factory, the prefabricated steel plate segment is hoisted on site, and the assembled prefabricated steel plate segment is filled with self- Dense concrete forms a pipe gallery structure with steel plates on the inner and outer layers and concrete in the middle. This structure has the advantages of light weight of the prefabricated segment, large split length of the segment, small splicing joint, convenient assembly, superior integrity and seismic performance, and good impermeability. At the same time, in the pipe gallery, the interior of the pipe gallery is divided into different spaces by means of dividing warehouses and setting pipeline brackets. In different spaces in the same pipe gallery, different pipelines can be laid to maximize the use of the interior space of the pipe gallery. Reduce the number of underground pipe corridors and improve the "spider web" status of urban pipelines.

As shown in Figures 1-11, the disassembly structure and assembly method of the assembled underground comprehensive pipe gallery of the present invention mainly include: straight bolt rods 1, nuts 2, steel plate pressure pads 3, U-shaped bolt rods 4, concave pipelines Steel pipe 5, pipeline support 6, concave pipe pad 7, concrete pad 8, steel frame 9, steel plate 10, arc steel plate 11, reserved bolt hole 12, rubber pad 13, reserved segment pouring hole 14, prefabricated Steel plate pouring holes 15, self-compacting concrete 16, steel glue 17, non-curing rubber asphalt 18, etc. The specific structure is as follows:

As shown in Figure 1, the bolts of the pressure backing plate are composed of a straight bolt rod 1, a nut 2 and a steel plate pressure pad 3, and the distance between the steel plate pressure pad 3 and the nut 2 is slightly greater than the thickness of the steel plate 10 and the curved steel plate 11 , and then add a rubber pad 13 to tighten the nut 2 to increase the tightness between the nut and the steel plate 10 and the curved steel plate 11. Use pressure backing plate bolt 3, be to grasp the distance of two steel plates flexibly, and two steel plates (steel plate 10 and curved steel plate 11) are connected.

As shown in Figure 2, the U-shaped bolt is composed of a nut 2 and a U-shaped bolt rod 4, passing through the reserved bolt hole 12, and connecting the prefabricated lower segment with the prefabricated long-side upper segment and the pre-fabricated short-side upper segment.

As shown in Figures 3-4, the concave pipeline steel pipe support 5 is connected to the pipeline support 6 by welding, and then according to the pre-design, they are welded to the side wall of the arc-shaped steel frame 9, and the curvature of the arc-shaped steel frame 9 is the same as The curvature of the inner circle in Figure 10 is consistent. The arc-shaped steel frame is divided into 9 upper and lower steel frames, all of which are completed in the prefabricated component factory.

As shown in Figure 5, the concave pipeline spacer 7 can be made into a concrete structure or a steel pipe structure. Situations place the concave pipe spacer 7 in the desired chamber.

The disassembly structure and assembly method of the assembled underground comprehensive pipe gallery of the present invention, the specific assembly process is as follows:

As shown in Figures 6-9, the sub-warehouse steel plates include two right-angle steel plates 10, steel plates 10 with reserved steel plate pouring holes 15, and concrete pads 8. The facades of the two right-angle steel plates 10 are oppositely arranged, and the two right-angle steel plates The facades of the shaped steel plates 10 are connected by straight bolt rods 1, the planes of the two right-angled steel plates 10 are kept on the same plane, the planes of the two right-angled steel plates 10 are provided with concrete pads 8, and the tops of the concrete pads 8 are provided with reserved steel plates The steel plate 10 with pouring holes 15 .

Its production process: first pass the two ends of the straight bolt rod 1 with the steel plate pressure pad 3 respectively through the reserved bolt holes 12 reserved on the facades of the two right-angled steel plates 10, and then pass through the two ends of the reserved bolt holes 12. Two steel plates 10 are fixed by tightening nuts 2 at the ends respectively, and the distance between the two steel plates 10 facades is determined by the distance between the two steel plate pressure pads 3 . Then lay concrete pads 8 above the steel plates 10 at a certain interval, and spot-weld a raised small node at the midpoint of each side of each concrete pad 8, the purpose is to fix the concrete pads 8, and finally there will be reserved steel plates The steel plate 10 (Fig. 7) of pouring hole 15 is placed on concrete cushion block 8 and assembles component storehouse steel plate Fig. 9.

As shown in Figures 10-11, the prefabricated lower segment of the sub-compartment includes the prefabricated lower segment and the sub-compartment steel plate. The prefabricated lower segment is connected by a straight bolt rod 1 between two arc-shaped steel plates 11, and the sub-compartment steel plate is set on Prefabricated in the lower segment.

Its production process: firstly pass the two ends of the straight bolt rod 1 with the steel plate pressure pad 3 respectively through the reserved bolt holes 12 on the two curved steel plates 11 with the same center and different radii, and then add bolt holes 12 inside. Rubber pad 13 tightens nut 2 and fixes two arc-shaped steel plates 11 to be assembled into prefabricated lower segment, and the distance between two arc-shaped steel plates 11 is determined by the distance between two steel plate pressure pads 3 . Then put the sub-bin steel plate into the prefabricated lower segment, after positioning, perform single-sided external welding on the left and right sides of the sub-compartment steel plate and the bottom of the segment, and perform single-sided external welding on the left and right sides of the upper side of the sub-bin steel plate and the left and right side walls of the segment The exterior is welded and assembled into a prefabricated sub-bin lower segment.

As shown in Figures 12-13, the prefabricated upper segment (the prefabricated short side segment or the prefabricated long side segment) is connected by a straight bolt rod 1 between two arc-shaped steel plates 11, and the prefabricated short side upper segment The length of the curved steel plate 11 is less than the length of the curved steel plate 11 of the segment on the prefabricated long side.

Its production process: firstly pass the two ends of the straight bolt rod 1 with the steel plate pressure pad 3 respectively through the reserved bolt holes 12 on the two curved steel plates 11 with the same center and different radii, and then add bolt holes 12 inside. Rubber pad 13 tightens nut 2 and fixes two arc-shaped steel plates 11 to be assembled into prefabricated segment on the short side or segment on the prefabricated long side.

The above process can be prefabricated in the factory, and the following process is completed on the construction site.

As shown in Figures 14-18, after the lower segment of the prefabricated sub-bin is hoisted in place, the upper segment of the prefabricated short side and the upper segment of the prefabricated long side are respectively hoisted to the corresponding positions above the prefabricated lower segment, and the upper segment of the prefabricated short side is The two ends of the segment are connected with the segment on the prefabricated long side, one end of the upper prefabricated segment at the start and the upper segment at the end of the prefabricated upper segment are flush with the lower prefabricated segment, and the other end is connected with the prefabricated long side segment to form a pipe gallery (Figure 17). At the joints between the prefabricated short-side upper segment and the prefabricated long-side upper segment, the prefabricated short-side upper segment, the prefabricated long-side upper segment and the prefabricated lower segment, pass through the reserved bolt through the U-shaped bolt rod 4 hole 12, and then add rubber pad 13 inside the segment to tighten the nut 2 for connection, and the joints between the steel plates in the segment inside the segment are connected by single-sided welding on the upper and lower sides. The arc-shaped steel frame 9 is divided into three parts and arranged on the inner side of the pipe gallery, the upper half of the arc-shaped steel frame is arranged on the inner side of the prefabricated upper segment, and the other two parts of the arc-shaped steel frame are symmetrically arranged on the inner side of the prefabricated lower segment. The concave pipeline pads 7 are symmetrically arranged on both sides of the facades of the two rectangular steel plates 10 . After all prefabricated segment structures are assembled, self-compacting concrete 16 is poured simultaneously through reserved segment pouring holes 14 and reserved steel plate pouring holes 15, and the steel plates are connected into a whole through self-compacting concrete 16 (Fig. 18). After the initial setting of the dense concrete 16 is completed, the internal and external joints of the segments are coated with steel glue 17 to improve the aging resistance and corrosion resistance of the steel structure. After the steel glue 17 solidifies, non-curing rubber asphalt 18 is used for joint waterproofing .

The assembled integrated pipe gallery structure of the present invention is suitable for pipe galleries with large diameters. The inside of the pipe gallery is divided into three warehouses by steel plates 10, and the warehouses can be flexibly divided according to requirements during the actual construction process. The pipeline laying form inside the warehouse can be freely and flexibly arranged through the concave pipeline support 5, the pipeline support 6 and the steel frame 9, and the pipeline laying can be laid through the concave pipeline pad 7.

The results of the examples show that the disassembly structure and assembly method of the prefabricated underground comprehensive pipe gallery of the present invention: during the connection process, the construction operation is simple, the technical requirements for the construction personnel are not high, the construction and assembly are carried out at the same time, and the construction period can be greatly shortened; The structure has the advantages of light weight, small thickness, integrity and good seismic performance; it can give full play to the characteristics of high compressive strength of steel plates and concrete, which is conducive to improving the service life of the comprehensive pipe gallery; avoiding the interior of the pipe gallery full of holes, Improve the anti-seepage performance of the structure; the installation position of the free pipe gallery compartment, flexible steel frame and concave pipe pads will facilitate the overall laying of pipes and pipelines, and improve the "spider web" status of urban pipelines.

Claims (10)

1. a kind of assembled underground pipe gallery splits structure, it is characterised in that using prefabrication steel plate section of jurisdiction, on-site hoisting Prefabricated steel section of jurisdiction, and self-compacting concrete is irrigated in assembled good prefabricated steel section of jurisdiction, it is steel plate to form ectonexine, middle For the Pipe rack of concrete, the structure includes：Section of jurisdiction on prefabricated short side, section of jurisdiction, prefabricated lower section of jurisdiction and Fen Cang in prefabricated long side Steel plate, section of jurisdiction both ends connect with section of jurisdiction in prefabricated long side on prefabricated short side, originate prefabricated upper section of jurisdiction and terminate prefabricated upper section of jurisdiction One end flushes with prefabricated lower section of jurisdiction, and the other end connects with prefabricated long side section of jurisdiction is assembled into piping lane；On prefabricated short side section of jurisdiction with it is prefabricated Section of jurisdiction on section of jurisdiction and prefabricated short side, the seam crossing in prefabricated long side between section of jurisdiction and prefabricated lower section of jurisdiction, pass through U-shaped spiral shell in long side Tightening latch passes through prepared screw-bolt hole, and inside section of jurisdiction plus rubber blanket is tightened nut and connected, the seam between the steel plate of section of jurisdiction inside points storehouse Carry out the connection of lower outer portion single-sided welding；After all prefabricated pipe section structure assemblings terminate, by reserved section of jurisdiction pouring hole and Reserved steel plate pouring hole pours self-compacting concrete simultaneously, and steel plate is connected to become an entirety by self-compacting concrete.

2. split structure according to the assembled underground pipe gallery described in claim 1, it is characterised in that prefabricated lower section of jurisdiction is two Connected between block curved plate by straight shank of bolt, prefabricated lower section of jurisdiction and a point storehouse steel plate form section of jurisdiction under prefabricated point of storehouse, divide storehouse steel Plate is arranged in prefabricated lower section of jurisdiction；Section of jurisdiction passes through straight spiral shell between two pieces of curved plates in section of jurisdiction or prefabricated long side on prefabricated short side Tightening latch connects, and the curved plate length of section of jurisdiction is less than the curved plate length of section of jurisdiction in prefabricated long side on prefabricated short side.

3. split structure according to the assembled underground pipe gallery described in claim 1 or 2, it is characterised in that divide Cang Gangbanbao Two blocks of square steel plates, the steel plate of reserved steel plate pouring hole, concrete pad are included, the facade of two blocks of square steel plates is relative to be set To put, connected between the facade of two blocks of square steel plates by straight shank of bolt, the plane of two blocks of square steel plates keeps same plane, The plane of two blocks of square steel plates sets concrete pad, and the steel plate of reserved steel plate pouring hole is set at the top of concrete pad.

4. split structure according to the assembled underground pipe gallery described in claim 3, it is characterised in that two blocks of square steel plates Facade prepared screw-bolt hole is set, the straight shank of bolt both ends of Pressure-bearing pads bolt are each passed through the prepared screw-bolt hole, reserved The both ends of bolt hole add rubber blanket to tighten nut to fix two blocks of steel plates respectively, and the distance between two pieces of steel plate facades are by two blocks of steel plates The distance between pressure-bearing pad determines.

5. according to described in claim 4 assembled underground pipe gallery split structure, it is characterised in that Pressure-bearing pads bolt by Straight shank of bolt, nut and steel plate pressure-bearing pad composition, the distance between steel plate pressure-bearing pad and nut are more than steel plate and curved plate Thickness, add rubber blanket to tighten nut, increase the adaptation between nut and steel plate and curved plate.

6. split structure, it is characterised in that arc is set on the inside of piping lane according to the assembled underground pipe gallery described in claim 1 Shape reinforcing bar, arc reinforcing bar are divided into three parts, and top half arc reinforcing bar is arranged on the inside of prefabricated upper section of jurisdiction, another two parts arc Reinforcing bar is symmetricly set on the inside of prefabricated lower section of jurisdiction, and spill pipeline cushion block is symmetricly set in two blocks of square steel plates being divided to storehouse steel plate Facade both sides.

7. split structure according to the assembled underground pipe gallery described in claim 6, it is characterised in that the side wall of arc reinforcing bar Welded pipeline support, spill pipeline steel tube support are connected by welding with line holder, the curvature of arc reinforcing bar and prefabricated short side Section of jurisdiction, the curvature of prefabricated lower section of jurisdiction inner circle are consistent on upper section of jurisdiction, prefabricated long side.

8. the assembled underground pipe gallery described in a kind of claim 1 to 7 splits the assemble method of structure, it is characterised in that Specific assembling process is as follows：

After section of jurisdiction lifting in place under prefabricated point of storehouse, section of jurisdiction in section of jurisdiction on prefabricated short side and prefabricated long side is lifted into respectively pre- Relevant position above the lower section of jurisdiction of system, section of jurisdiction both ends connect with section of jurisdiction in prefabricated long side on prefabricated short side, originate prefabricated upper section of jurisdiction with The one end for terminating prefabricated upper section of jurisdiction flushes with prefabricated lower section of jurisdiction, and the other end connects with prefabricated long side section of jurisdiction is assembled into piping lane；It is prefabricated Section of jurisdiction on section of jurisdiction and prefabricated short side in section of jurisdiction and prefabricated long side on short side, in prefabricated long side between section of jurisdiction and prefabricated lower section of jurisdiction Seam crossing, prepared screw-bolt hole is passed through by U bolt bar, then add rubber blanket to tighten nut inside section of jurisdiction and be attached, manage Seam between the steel plate of piece inside points storehouse carries out the connection of lower outer portion single-sided welding；Arc reinforcing bar is divided into three parts to be arranged at On the inside of piping lane, top half arc reinforcing bar is arranged on the inside of prefabricated upper section of jurisdiction, and another two parts arc reinforcing bar is symmetricly set in prefabricated On the inside of lower section of jurisdiction, spill pipeline cushion block is symmetricly set in the facade both sides of two blocks of square steel plates；All prefabricated pipe section knots After structure assembling terminates, self-compacting concrete is poured by reserved section of jurisdiction pouring hole and reserved steel plate pouring hole simultaneously, by steel plate One entirety is connected to become by self-compacting concrete, when self-compacting concrete initial set terminates, used inside and outside section of jurisdiction at connecting sewing Steel bonding glue is smeared, and after steel bonding gelling is solid, seam waterproof is carried out using uncured rubber asphalt.

9. the assemble method of structure is split according to the assembled underground pipe gallery described in claim 8, it is characterised in that divide storehouse Steel plate manufacturing process：The straight shank of bolt both ends with steel plate pressure-bearing pad are each passed through first and is reserved in two blocks of square steel plates and stands The prepared screw-bolt hole in face, then add rubber blanket to tighten nut respectively at the both ends of prepared screw-bolt hole and fix two blocks of steel plates, two blocks of steel The distance between plate facade is determined by the distance between two pieces of steel plate pressure-bearing pads；Then concrete pad is laid above steel plate, And in one raised node of each side midpoint spot welding of every block concrete cushion block, finally by the steel with reserved steel plate pouring hole Plate is placed on above concrete pad and is assembled into a point storehouse steel plate.

10. the assemble method of structure is split according to the assembled underground pipe gallery described in claim 8, it is characterised in that pre- System divides section of jurisdiction manufacturing process under storehouse：The straight shank of bolt both ends with steel plate pressure-bearing pad are each passed through first and are reserved in center of circle phase Prepared screw-bolt hole above two pieces of curved plates same, radius is different, then internally add rubber blanket to tighten nut and fix two pieces Curved plate is assembled into prefabricated lower section of jurisdiction, and the distance between two pieces of curved plates are true by the distance between two pieces of steel plate pressure-bearing pads It is fixed；Then a point storehouse steel plate is put into inside prefabricated lower section of jurisdiction, after having good positioning, left and right face and section of jurisdiction bottom below the steel plate of storehouse will be divided Carry out one side outside weldings, divide left and right face and section of jurisdiction left and right sidewall above the steel plate of storehouse to carry out one side outside weldings up and down, be assembled into For section of jurisdiction under prefabricated point of storehouse；

Section of jurisdiction is manufacturing process in section of jurisdiction or prefabricated long side on prefabricated short side：First by the straight shank of bolt two with steel plate pressure-bearing pad End is each passed through the prepared screw-bolt hole being reserved in above two pieces of curved plates that the center of circle is identical, radius is different, then internally adds Rubber blanket, which tightens nut and fixes two pieces of curved plates, is assembled on prefabricated short side section of jurisdiction in section of jurisdiction or prefabricated long side.