CN107059917B - Split component prefabricated comprehensive pipe gallery and construction method thereof - Google Patents
Split component prefabricated comprehensive pipe gallery and construction method thereof Download PDFInfo
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- CN107059917B CN107059917B CN201611024746.1A CN201611024746A CN107059917B CN 107059917 B CN107059917 B CN 107059917B CN 201611024746 A CN201611024746 A CN 201611024746A CN 107059917 B CN107059917 B CN 107059917B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
Abstract
The invention discloses a prefabricated comprehensive pipe gallery with split components and a construction method thereof, wherein the prefabricated comprehensive pipe gallery is formed by connecting a plurality of prefabricated pipe gallery segments, each prefabricated pipe gallery segment is split into a prefabricated pipe gallery segment upper part (1) and a prefabricated pipe gallery segment lower part (2), the prefabricated pipe gallery segment upper part (1) and the prefabricated pipe gallery segment lower part (2) are in occlusion connection through a first bell and spigot (5), and the prefabricated pipe gallery segment upper part (1) and the prefabricated pipe gallery segment lower part (2) are in tie connection between the first bell and spigot (5) through a prestressed steel strand (3); a water stop strip is arranged between the first bell and spigot ports (5) to form a waterproof layer. Its having synthesized full prefabricated piping lane and coincide piping lane have a bit, can reduce prefabricated component's dead weight through reasonable split, can solve the problem that coincide piping lane technology is complicated through prefabrication again, can solve the prefabricated assembly difficult problem of many cabins piping lane and the nonstandard section of piping lane.
Description
Technical Field
The invention relates to a comprehensive pipe gallery, in particular to a split component prefabricated comprehensive pipe gallery. The invention also relates to a construction method of the split component prefabricated comprehensive pipe gallery.
Background
The underground comprehensive pipe gallery is an advanced infrastructure pipe network arrangement form in the world at present, is a trend and trend of city construction and city development, and is an effective means for fully utilizing underground space.
Compared with prefabrication, the cast-in-place construction method for the underground comprehensive pipe gallery has the advantages of better quality guarantee, shorter construction period, lower cost, energy conservation, environmental protection and the like in the prefabricated concrete pipe gallery assembly construction, and can be used as a preferred construction method for constructing the underground comprehensive pipe gallery.
In order to solve the defect of full cast-in-place piping lane construction mode, integral prefabricated piping lane structure and prefabricated piping lane structure of assembled and split formula piping lane have appeared. Integral prefabricated piping lane has the wholeness good, advantages such as installation process is simple, nevertheless has that the single section size is big, weight is big, difficult transportation hoist and mount, and the waterproof not insurable scheduling problem of joint department. Assembled piping lane can be fine solution hoist and mount quality big problem, but the piping lane construction procedure is complicated after the burst split, and the cost is higher leads to market acceptance rate not high.
Disclosure of Invention
The invention aims to solve the first technical problem of providing a split component prefabricated comprehensive pipe gallery which is easier to transport and hoist, simpler in site construction process and capable of reducing construction cost to a limited extent.
The second technical problem to be solved by the invention is to provide a construction method of the split component prefabricated comprehensive pipe gallery.
In order to solve the technical problems, the prefabricated comprehensive pipe gallery of the split component is formed by connecting a plurality of prefabricated pipe gallery sections, each prefabricated pipe gallery section is split into an upper part of the prefabricated pipe gallery section and a lower part of the prefabricated pipe gallery section, the upper part of the prefabricated pipe gallery section and the lower part of the prefabricated pipe gallery section are in meshing connection through a first bell and spigot, and the upper part of the prefabricated pipe gallery section and the lower part of the prefabricated pipe gallery section are in tie connection through a prestressed steel strand between the first bell and spigot; and a water stop strip is arranged between the upper part of the prefabricated pipe gallery section and the first bell and spigot at the lower part of the prefabricated pipe gallery section to form a waterproof layer.
Prefabricated piping lane segment upper portion part with the side wall and the top bottom plate junction of prefabricated piping lane segment lower part be equipped with the cast in situ concrete axillary angle, just the inside of cast in situ concrete axillary angle set up reinforcing bar.
The first bell and spigot adopts the form of three-level slope, the height of the peripheral convex part is 115mm, the width of the peripheral convex part is 116mm, the slope is formed from inside to outside between the convex opening and the concave opening, the slope is 116/65, and a groove is arranged between the inclined openings and used for arranging the water stop strip.
The structure of the upper part of the prefabricated pipe gallery segment is as follows: the stressed steel bars of the top plate are arranged at intervals of 16 and 14 steel bars, and the side walls are arranged at intervals of 16 and 14 steel bars; the bottom plate is arranged at intervals by 16 and 14 steel bars; the cast-in-place concrete auxiliary angle 6 is respectively inserted into three 14-number steel bars, the steel bars are arranged in a through length manner, all 16-number steel bars of hook horizontal steel bars are manufactured at an opening position, the 16-number steel bars are arranged on the soil facing surface, and the 14-number steel bars are arranged on the inner side of the wall; the structure of the lower part of the prefabricated pipe gallery segment is as follows: the bottom plate stressed steel bars are arranged at intervals of 16 and 14 steel bars, and the side walls are arranged at intervals of 16 and 14 steel bars; cast in situ concrete axillary angle 6 insert three 14 reinforcing bars respectively, the reinforcing bar adopts to lead to long to arrange, is opening the position preparation crotch, the whole 16 reinforcing bars of horizontal reinforcement, and 16 reinforcing bars are arranged to the face of meeting the earth, and 14 reinforcing bars are arranged at the wall inboard.
The upper part of the prefabricated pipe gallery section and the lower part of the prefabricated pipe gallery section are divided according to two meters and one section.
The prefabricated pipe gallery sections are connected through second bell and spigot joints, namely the front ends of the prefabricated pipe gallery sections are provided with spigots, the rear ends of the prefabricated pipe gallery sections are provided with bellmouths, the spigots of the prefabricated pipe gallery sections of the front section are inserted into the bellmouths of the prefabricated pipe gallery sections of the rear section during assembly, and sealing devices are arranged between the spigots and the bellmouths.
The sealing device comprises a polyethylene foaming joint filling plate arranged between the inserting port and the socket, polysulfide sealant arranged on two sides of the polyethylene foaming joint filling plate and a pore channel, wherein one section of the pore channel extends to the inner side of the pipe gallery, the other end of the pore channel extends to the middle position of the second bell and spigot, a steel ring with the outer diameter of 100mm is welded at the vertical height of 76mm of the pore channel, and the thickness of the steel ring is 4 mm; a65 x20 notch is arranged on the inner side of the pipe gallery of the pore channel to facilitate the painting of caulking sealant.
And the prefabricated pipe gallery sections are connected through annular prestressed steel cables.
And lifting hooks are arranged on the upper part of the prefabricated pipe gallery section and the lower part of the prefabricated pipe gallery section.
In order to solve the second technical problem, the construction method of the split component prefabricated comprehensive pipe gallery provided by the invention comprises the following assembly processes: construction of a supporting system → trench excavation → pouring of a concrete cushion layer → construction of bottom water prevention and protection layers of the lower part of the prefabricated pipe gallery segment → spreading of a layer of yellow sand on the protection layers → hoisting of the lower part of the prefabricated pipe gallery segment in place → horizontal fine adjustment of the lower part of the prefabricated pipe gallery segment by an electric hoist → vertical fine adjustment of the lower part of the prefabricated pipe gallery segment by a steel rod → installation of a water stop at a first socket → installation of the upper part of the prefabricated pipe gallery segment → installation of a prestressed steel strand at a joint → construction of an external water prevention and protection layer → trench backfilling.
The main work of the process design is as follows:
(1) prefabricated pipe section length division
The standard segment length is reasonably divided under the condition of fully considering the factors such as road conditions, vehicle transportation limiting conditions, pipe gallery section size, construction period, hoisting equipment and field;
(2) design of lifting point
In order to avoid the damage of the prefabricated parts in the transportation and assembly process, lifting points are reasonably arranged and reinforced according to the weight and the size of the side walls, the middle partition wall and the top plate and the lifting requirements;
(4) pipe joint connection
The pipe joints are longitudinally provided with bell and spigot for connection, and the deformation joint is provided with a steel edge rubber water stop and a dowel bar.
The production process of the prefabricated wallboard comprises the following steps:
(1) cleaning residues and dust on the die table;
(2) spraying a release agent on the whole plane of the matched mould;
(3) the installation template, the wall internal reinforcing steel bar and the reserved embedded part;
(4) carrying out single-sided concrete pouring in the mould, and vibrating to compact to form a superposed top plate and a full-prefabricated intermediate wall; for the double-sided prefabricated hollow core-filled side wall, the component needs to be turned over, and concrete pouring is carried out on the other side;
(5) entering a curing room to finish the initial setting of the concrete of the member;
(6) plastering, and flatly flattening and polishing the surface of the component;
(7) entering a maintenance cabin, and steaming the member to meet the strength requirement of demoulding and hoisting;
(8) after the maintenance is finished, demolding and removing the template;
(9) the turning plate is vertically lifted to a washing area;
(10) the peripheral section is cleaned to achieve the effect of exposing the aggregate;
(11) and the structure is subjected to a self-waterproof test.
The method for the waterproof construction of the top plate of the split component prefabricated comprehensive pipe gallery comprises the following steps:
(1) coating 25x25 thick polysulfide sealant for caulking;
(2) installing a water-swellable rubber ring;
(3) installing an ethylene propylene diene monomer elastic rubber ring;
(4) coating 35x25 polysulfide sealant;
(5) 2mm of clean cement paste caulking;
(6) 3.0mm thick puncture-resistant reaction-adhesive high-molecular wet-laid waterproof roll;
(7) c25 constructing a fine stone concrete protective layer;
the method for the vertical waterproof construction of the side wall of the split component prefabricated comprehensive pipe gallery comprises the following steps:
(1) caulking by 25x25 thick polysulfide sealant;
(2) a water-swellable rubber ring;
(3) ethylene propylene diene monomer elastic rubber ring;
(4) 35x25 polysulfide sealant;
(5) the puncture-resistant reaction-adhesive high-molecular wet-laid waterproof roll with the thickness of 1.5 mm;
(7) polystyrene foam board protective wall with thickness of 70mm
The method for the vertical waterproof construction of the side wall of the split component prefabricated comprehensive pipe gallery comprises the following steps:
(1) c20 concrete pad with thickness of 100mm, and troweling with tamping
(2) 20mm thick 1:3 cement mortar;
(3) a reaction sticking type macromolecule wet-laid waterproof coiled material with the thickness of 1.5mm (single-sided sticking: reverse-sided sticking of sealant);
(4) a 50mm thick layer of C20 fine stone concrete;
(5) a yellow sand leveling layer with the thickness of 10 mm;
(7) polysulfide sealant 35X25
(8) Ethylene propylene diene monomer elastic rubber ring;
(9) the water-swellable rubber ring;
(10) and 25X25 of polysulfide sealant.
Adopt prefabricated formula utility tunnel of split component and construction method thereof of above-mentioned technical scheme, this prefabricated pipe gallery's festival section comprises two parts, is divided into two prefabricated pipe galleries, and the pipe gallery dead weight after the split is only original half respectively. The upper part and the lower part are meshed through a socket. And the bell and spigot are tied through prestressed steel strands. And a waterproof layer is formed between the bell and spigot ports through an expansion water stop strip.
The split pipe rack in be provided with the curved reinforcing bar of axillary angle, the curved reinforcing bar of axillary angle stretch into the pipe rack lateral wall in to reach the anchor length requirement.
The structure of the upper part of the prefabricated pipe gallery is as follows: the vertical reinforcing bar of piping lane adopts 16 tertiary reinforcing bars, and the horizontal reinforcing bar of piping lane adopts 14 horizontal reinforcing bars. And binding and connecting the longitudinal and transverse steel bars by adopting binding wires. The external longitudinal rebars remain outside the fill side of the pipe gallery. The inner longitudinal rebar is retained at the cavity surface of the tube lane. The two layers of steel bars are connected through a draw hook. The upper part and the lower part are connected at the position of half the height of the pipe gallery, so that the waterproof effect is facilitated. The length of the pipe gallery at the upper part of the pipe gallery is divided according to project requirements, and the requirements in the aspects of hoisting and transportation are considered, and the pipe gallery is generally divided according to two meters and one section.
The bell and spigot of the upper part adopts a three-level slope releasing mode for occlusion, the height of the peripheral convex part is 115mm, the width of the peripheral convex part is 116mm, the slope is released between the convex opening and the notch, and the slope is 116/65.
The prefabricated formula utility tunnel of split component, factor such as comprehensive consideration road condition, vehicle transportation restriction condition, piping lane section size, time limit for a project, lifting device and place carry out the side wall tube coupling and divide, connect through annular prestressed cable between each festival section.
The construction method of the split component prefabricated comprehensive pipe gallery comprises the steps of manufacturing the prefabricated components, laying a layer of yellow sand with the thickness of 2cm on a cushion layer after positioning and paying off, hoisting the lower part of the pipe gallery, hoisting the upper part of the pipe gallery, accurately positioning a gallery body, and installing an annular prestressed steel cable to form the split component prefabricated comprehensive pipe gallery.
In conclusion, the split component prefabricated comprehensive pipe gallery and the construction method thereof have the advantages that the transportation and hoisting are easier, the field construction process is simpler, and the construction cost can be reduced to a limited extent.
Drawings
FIG. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is a schematic view of the connection of the single segment prefabricated pipe gallery segments of the present invention.
Fig. 3 is a view of the multi-section prefabricated pipe gallery section connection arrangement of the present invention.
Fig. 4 is a schematic view of a first socket configuration of the present invention.
FIG. 5 is a schematic view of the construction of the internal reinforcing bars of the present invention
Fig. 6 is a schematic view of a second socket configuration of the present invention.
Fig. 7 is a schematic view of the waterproof structure of the exterior cover of the present invention.
Detailed Description
The split component prefabricated comprehensive pipe gallery and the construction method provided by the invention are further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, 2, 3, 4, 5 and 6, a prefabricated comprehensive pipe gallery of a split component is formed by connecting a plurality of prefabricated pipe gallery segments, each prefabricated pipe gallery segment is split into a prefabricated pipe gallery segment upper part 1 and a prefabricated pipe gallery segment lower part 2, the prefabricated pipe gallery segment upper part 1 and the prefabricated pipe gallery segment lower part 2 are divided according to the height of 1/2 prefabricated pipe gallery segments, the prefabricated pipe gallery segment upper part 1 and the prefabricated pipe gallery segment lower part 2 are in meshing connection through a first bell and spigot 5, and the prefabricated pipe gallery segment upper part 1 and the prefabricated pipe gallery segment lower part 2 are in tie connection through a prestressed steel strand 3 between the first bell and spigot 5; be equipped with water-swelling sealing rod 4 between prefabricated pipe gallery section upper portion part 1 and the first bell and spigot 5 of prefabricated pipe gallery section lower part 2 and form the waterproof layer.
Further, the side wall and the top and bottom plate junction of prefabricated pipe gallery segment upper portion part 1 and prefabricated pipe gallery segment lower part 2 are equipped with cast in situ concrete axillary angle 6, and the inside of cast in situ concrete axillary angle 6 sets up reinforcing bar.
Preferably, the first bell and spigot 5 is engaged in a three-step slope releasing mode, the height of the peripheral convex part is 115mm, the width of the peripheral convex part is 116mm, the slope from inside to outside between the convex opening and the concave opening is 116/65, and a groove is arranged between the inclined openings and used for arranging the water-swelling water stop strip 4.
In particular, the structure of the upper part 1 of the prefabricated pipe gallery section is: the stressed steel bars of the top plate are arranged at intervals of 16 and 14 steel bars, and the side walls are arranged at intervals of 16 and 14 steel bars; the bottom plate is arranged at intervals by 16 and 14 steel bars; the cast-in-place concrete auxiliary angle 6 is respectively inserted into three 14-number steel bars, the steel bars are arranged in a through length manner, all 16-number steel bars of hook horizontal steel bars are manufactured at an opening position, the 16-number steel bars are arranged on the soil facing surface, and the 14-number steel bars are arranged on the inner side of the wall; the structure of the lower part 2 of the prefabricated pipe gallery segment is as follows: the bottom plate stressed steel bars are arranged at intervals of 16 and 14 steel bars, and the side walls are arranged at intervals of 16 and 14 steel bars; cast in situ concrete axillary angle 6 insert three 14 reinforcing bars respectively, the reinforcing bar adopts to lead to long to arrange, is opening the position preparation crotch, the whole 16 reinforcing bars of horizontal reinforcement, and 16 reinforcing bars are arranged to the face of meeting the earth, and 14 reinforcing bars are arranged at the wall inboard.
The prefabricated pipe gallery upper part 1 and the prefabricated pipe gallery lower part 2 are divided by two meters and one section.
Further, adopt second socket joint 7 to connect between the prefabricated pipe gallery festival section of multisection, the front end of prefabricated pipe gallery festival section is equipped with socket 8 promptly, and the rear end is equipped with bellmouth 9, and the socket 8 of the prefabricated pipe gallery festival section of preceding festival inserts in the bellmouth 9 of the prefabricated pipe gallery festival section of next festival and is equipped with sealing device between socket 8 and the bellmouth 9 during the equipment.
Specifically, the sealing device is a polyethylene foaming joint filling plate 10 arranged between the socket 8 and the socket 9, polysulfide sealant 11 is arranged on two sides of the polyethylene foaming joint filling plate, one section of the duct 12 extends to the inner side of the pipe gallery, the other end of the duct extends to the middle position of the second bell and spigot 7, a steel ring 13 with the outer diameter of 100mm is welded at the vertical height 76mm of the duct 12, and the thickness of the steel ring 13 is 4 mm; a65 x20 notch is provided on the inside of the duct 12 adjacent the duct lane to facilitate the application of caulking sealant. The tunnel 12 is used for grouting between the spigot 8 and the socket 9.
Preferably, the prefabricated pipe gallery sections are connected through annular prestressed steel cables 14.
Preferably, lifting hooks 15 are provided on both the prefabricated pipe gallery segment upper portion 1 and the prefabricated pipe gallery segment lower portion 2.
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the construction method of the split component prefabricated comprehensive pipe gallery provided by the invention comprises the following assembly processes: construction of a supporting system → trench excavation → pouring of a concrete cushion layer → construction of bottom water prevention and protection layers of the lower part of the prefabricated pipe gallery segment → spreading of a layer of yellow sand on the protection layers → hoisting of the lower part of the prefabricated pipe gallery segment in place → horizontal fine adjustment of the lower part of the prefabricated pipe gallery segment by an electric hoist → vertical fine adjustment of the lower part of the prefabricated pipe gallery segment by a steel rod → installation of a water stop at a first socket → installation of the upper part of the prefabricated pipe gallery segment → installation of a prestressed steel strand at a joint → construction of an external water prevention and protection layer → trench backfilling.
The construction method of the prefabricated comprehensive pipe gallery of the split component comprises the following production processes of prefabricated wallboards:
(1) cleaning residues and dust on the die table;
(2) spraying a release agent on the whole plane of the matched mould;
(3) the installation template, the wall internal reinforcing steel bar and the reserved embedded part;
(4) and pouring the upper structure of the pipe gallery in the mould.
(5) Entering a curing room to finish the initial setting of the concrete of the member;
(6) plastering, and flatly flattening and polishing the surface of the component;
(7) entering a maintenance cabin, and steaming the member to meet the strength requirement of demoulding and hoisting;
(8) after the maintenance is finished, demolding and removing the template;
(9) the turning plate is vertically lifted to a washing area;
(10) the peripheral section is cleaned to achieve the effect of exposing the aggregate;
(11) and the structure is subjected to a self-waterproof test.
The construction method of the split component prefabricated comprehensive pipe gallery comprises the following field assembly processes:
(1) constructing a supporting system;
(2) excavating a groove;
(3) pouring a concrete cushion layer;
(4) waterproof bottom plate and protective layer construction;
(5) spreading a layer of yellow sand with the thickness of 2cm on the protective layer;
(6) hoisting the bottom structure of the pipe gallery in place;
(7) horizontally fine-adjusting the bottom structure of the pipe gallery by using an electric hoist;
(8) vertically fine-adjusting the lower structure of the pipe gallery by using a steel chisel;
(9) installing an expansion water stop strip at the socket;
(10) hoisting the upper structure of the pipe gallery;
(11) mounting a prestressed steel strand at the joint;
(12) constructing waterproof and protective layers outside the outer wall and the top plate;
(13) and backfilling the groove.
The method for the waterproof construction of the top plate of the split component prefabricated comprehensive pipe gallery comprises the following steps:
(1) coating 25x25 thick polysulfide sealant for caulking;
(2) installing a water-swellable rubber ring;
(3) installing an ethylene propylene diene monomer elastic rubber ring;
(4) coating 35x25 polysulfide sealant;
(5) 2mm of clean cement paste caulking;
(6) 3.0mm thick puncture-resistant reaction-adhesive high-molecular wet-laid waterproof roll;
(7) c25 constructing a fine stone concrete protective layer;
the method for the vertical waterproof construction of the side wall of the split component prefabricated comprehensive pipe gallery comprises the following steps:
(1) caulking by 25x25 thick polysulfide sealant;
(2) a water-swellable rubber ring;
(3) ethylene propylene diene monomer elastic rubber ring;
(4) 35x25 polysulfide sealant;
(5) the puncture-resistant reaction-adhesive high-molecular wet-laid waterproof roll with the thickness of 1.5 mm;
(7) polystyrene foam board protective wall with thickness of 70mm
The method for the vertical waterproof construction of the side wall of the split component prefabricated comprehensive pipe gallery comprises the following steps:
(1) c20 concrete pad with thickness of 100mm, and troweling with tamping
(2) 20mm thick 1:3 cement mortar;
(3) a reaction sticking type macromolecule wet-laid waterproof coiled material with the thickness of 1.5mm (single-sided sticking: reverse-sided sticking of sealant);
(4) a 50mm thick layer of C20 fine stone concrete;
(5) a yellow sand leveling layer with the thickness of 10 mm;
(7) polysulfide sealant 35X25
(8) Ethylene propylene diene monomer elastic rubber ring;
(9) the water-swellable rubber ring;
(10) and 25X25 of polysulfide sealant.
Claims (7)
1. The utility model provides a prefabricated formula utility tunnel of split component, is connected by the prefabricated piping lane segment of multisection and forms characterized by: each prefabricated pipe gallery segment is split into a prefabricated pipe gallery segment upper portion (1) and a prefabricated pipe gallery segment lower portion (2), the prefabricated pipe gallery segment upper portion (1) and the prefabricated pipe gallery segment lower portion (2) are in meshed connection through a first socket joint (5), and the prefabricated pipe gallery segment upper portion (1) and the prefabricated pipe gallery segment lower portion (2) are subjected to drawknot between the first socket joint (5) through a prestressed steel strand (3); a water stop strip is arranged between the upper part (1) of the prefabricated pipe gallery section and the first bell and spigot (5) of the lower part (2) of the prefabricated pipe gallery section to form a waterproof layer;
the prefabricated pipe gallery sections are connected through second bell and spigot ports (7), namely the front ends of the prefabricated pipe gallery sections are provided with spigots (8), the rear ends of the prefabricated pipe gallery sections are provided with bell mouths (9), the spigots (8) of the prefabricated pipe gallery sections of the front section are inserted into the bell mouths (9) of the prefabricated pipe gallery sections of the rear section during assembly, and a sealing device is arranged between the spigots (8) and the bell mouths (9);
the sealing device comprises a polyethylene foaming joint filling plate (10) arranged between the spigot (8) and the socket (9), polysulfide sealant (11) and a duct (12) arranged on two sides of the polyethylene foaming joint filling plate, one end of the duct (12) extends to the inner side of the pipe gallery, the other end of the duct extends to the middle position of the second spigot-and-socket, a steel ring (13) with the outer diameter of 100mm is welded at the position of 76mm of the vertical height of the duct (12), and the thickness of the steel ring (13) is 4 mm; a 65x20 notch is arranged on the inner side of the duct (12) close to the pipe gallery to facilitate the painting of caulking sealant;
the first bell and spigot joint (5) adopts a three-level slope releasing mode for occlusion, the height of a peripheral convex part is 115mm, the width of the peripheral convex part is 116mm, slope releasing is carried out between a convex opening and a concave opening from inside to outside, the slope is 116/65, and a groove is arranged between oblique openings and used for arranging a water stop strip.
2. The split component prefabricated utility tunnel of claim 1, wherein: prefabricated pipe gallery segment upper portion part (1) with the side wall and the roof bottom plate junction of prefabricated pipe gallery segment lower part (2) be equipped with cast in situ concrete axillary angle (6), just the inside of cast in situ concrete axillary angle (6) set up reinforcing bar.
3. The split component prefabricated utility tunnel of claim 2, wherein: the structure of the upper part (1) of the prefabricated pipe gallery section is as follows: the stressed steel bars of the top plate are arranged at intervals of 16 and 14 steel bars, and the side walls are arranged at intervals of 16 and 14 steel bars; the bottom plate is arranged at intervals by 16 and 14 steel bars; the cast-in-place concrete auxiliary angle 6 is respectively inserted with three 14-number steel bars, the steel bars are arranged in a through length manner, hook horizontal steel bars are manufactured at the rabbet positions and all adopt 16-number steel bars, the 16-number steel bars are arranged on the soil facing surface, and the 14-number steel bars are arranged on the inner side of the wall; the structure of the lower part (2) of the prefabricated pipe gallery section is as follows: the bottom plate stressed steel bars are arranged at intervals of 16 and 14 steel bars, and the side walls are arranged at intervals of 16 and 14 steel bars; the cast-in-place concrete is characterized in that three 14-number steel bars are respectively inserted into the axillary corners (6), the steel bars are arranged in a through length mode, hooks are manufactured at the positions of the grooves and the tongues, all the horizontal steel bars are 16-number steel bars, the 16-number steel bars are arranged on the soil facing surface, and the 14-number steel bars are arranged on the inner side of the wall.
4. The split component prefabricated utility tunnel according to claim 1 or 2, characterized in that: the prefabricated pipe gallery segment upper part (1) and the prefabricated pipe gallery segment lower part (2) are divided according to two meters and one section.
5. The split component prefabricated utility tunnel according to claim 1 or 2, characterized in that: the prefabricated pipe gallery sections are connected through annular prestressed steel cables (14).
6. The split component prefabricated utility tunnel according to claim 1 or 2, characterized in that: prefabricated pipe gallery section upper portion (1) with prefabricated pipe gallery section lower part (2) on all be equipped with lifting hook (15).
7. The method for constructing the split component prefabricated comprehensive pipe gallery as claimed in claim 1, which is characterized in that: the assembly process comprises the following steps: construction of a supporting system → trench excavation → pouring of a concrete cushion layer → construction of bottom water prevention and protection layers of the lower part of the prefabricated pipe gallery segment → spreading of a layer of yellow sand on the protection layers → hoisting of the lower part of the prefabricated pipe gallery segment in place → horizontal fine adjustment of the lower part of the prefabricated pipe gallery segment by an electric hoist → vertical fine adjustment of the lower part of the prefabricated pipe gallery segment by a steel rod → installation of a water stop at a first socket → installation of the upper part of the prefabricated pipe gallery segment → installation of a prestressed steel strand at a joint → construction of an external water prevention and protection layer → trench backfilling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024746.1A CN107059917B (en) | 2016-12-30 | 2016-12-30 | Split component prefabricated comprehensive pipe gallery and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024746.1A CN107059917B (en) | 2016-12-30 | 2016-12-30 | Split component prefabricated comprehensive pipe gallery and construction method thereof |
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| Publication Number | Publication Date |
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| CN107059917A CN107059917A (en) | 2017-08-18 |
| CN107059917B true CN107059917B (en) | 2020-02-04 |
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| CN201611024746.1A Active CN107059917B (en) | 2016-12-30 | 2016-12-30 | Split component prefabricated comprehensive pipe gallery and construction method thereof |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313455B (en) * | 2017-09-05 | 2023-03-14 | 北京建工土木工程有限公司 | Cast-in-place and prefabricated combined single-bin comprehensive pipe gallery node and construction method |
| CN107653901A (en) * | 2017-09-07 | 2018-02-02 | 鞍山三冶建筑工程有限公司 | A kind of large scale prefabricated piping lane and preparation method thereof and the platform foundation pit structure used |
| CN107859075A (en) * | 2017-12-14 | 2018-03-30 | 成都市第三建筑工程公司 | A kind of prefabricated pipe gallery joint waterproof structure and its construction method |
| CN108104175A (en) * | 2017-12-14 | 2018-06-01 | 成都市第三建筑工程公司 | A kind of prefabricated pipe gallery water sealing structure and piping lane |
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