CN112554232B

CN112554232B - Assembled prefabricated comprehensive pipe gallery and installation method

Info

Publication number: CN112554232B
Application number: CN202011394288.7A
Authority: CN
Inventors: 王文国; 贺博; 李维清; 兰会贤; 苗沛杰; 赵志红; 韩生录; 樊春义; 李成栋; 杨红梅; 原飞; 朱红满
Original assignee: Shanxi Installation Group Co Ltd
Current assignee: Shanxi Installation Group Co Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2022-09-09
Anticipated expiration: 2040-12-03
Also published as: CN112554232A

Abstract

The invention provides an assembly type prefabricated comprehensive pipe gallery and an installation method, wherein the assembly type prefabricated comprehensive pipe gallery is formed by assembling a plurality of prefabricated pipe joints, each prefabricated pipe joint comprises a bottom plate, a top plate, a first side plate and a second side plate, a connecting cavity is formed at the joint of every two of the bottom plate, the top plate, the first side plate and the second side plate, a connecting piece and a plugging device are arranged in each connecting cavity, a downward bent outer vertical plate is arranged on the outer side of a connecting cavity structure formed on the top plate, an upward bent outer vertical plate is arranged on the outer side of the connecting cavity structure formed on the bottom plate, an expansion joint is formed between the outer vertical plate on the top plate and the outer vertical plate on the bottom plate, and the expansion joint is in water-stopping sealing connection. The assembly type prefabricated comprehensive pipe gallery and the installation method have the advantages of reasonable structure, convenience and quickness in assembly, stability in connection, water resistance, reliability, strong applicability, simple construction method steps and strong operability.

Description

Assembled prefabricated comprehensive pipe gallery and installation method

Technical Field

The invention relates to the technical field of underground engineering, in particular to an assembled prefabricated comprehensive pipe gallery and an installation method.

Background

The utility tunnel is an underground urban pipeline utility tunnel, namely, a tunnel space is built underground in a city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special maintenance port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure for guaranteeing urban operation.

Utility tunnel mainly divide into two kinds, is cast-in-place type concrete utility tunnel and prefabricated pin-connected panel concrete utility tunnel respectively. Originally developed, cast-in-place concrete utility tunnels were used, but such utility tunnel construction was time consuming. Time is wasted from a series of work such as erection of the template, stirring of concrete, pouring of the concrete, forming and solidification of the concrete, and finally dismantling of the template, so that the construction efficiency is low, and the progress of the project is influenced. Prefabricated utility tunnel construction process is that the concrete member is prefabricated through the template in mill, and the on-vehicle job site of transporting of reuse is through machine hoist and mount component in relevant position to assemble into prefabricated utility tunnel, this kind of mode can fine control product quality, reduces the influence of surrounding environment and season weather to utility tunnel, can accomplish to shorten construction date, raise the efficiency, improve the security of construction.

The prefabricated comprehensive pipe gallery has distinct characteristics, and even though the prefabricated comprehensive pipe gallery has many advantages compared with a cast-in-place comprehensive pipe gallery, the prefabricated comprehensive pipe gallery still has many problems. The prefabricated comprehensive pipe gallery is easy to lose efficacy in a waterproof manner, and the reason for the failure mainly comes from two aspects, namely water leakage and water seepage caused by cracks generated in a waterproof main body structure, and water leakage caused by the limitation of the service life and the influence of a severe environment of an external waterproof material. The most important of these problems are as follows: the joint is not waterproof tight, the concrete is waterproof from not up to standard, the waterproof material outside the structure has great difference with the major structure life-span, easy inefficacy, weak positions such as bottom plate and roof are easy to leak etc..

In addition, the construction of prefabricated utility tunnel junction still generally needs to set up the pouring die cavity and accomplishes the pouring of concrete, still need demolish after the construction is accomplished, has increased the construction process, has reduced the efficiency of construction.

Disclosure of Invention

In view of the above, the present invention is directed to an assembled prefabricated comprehensive pipe rack and an installation method thereof, so as to solve at least one of the above technical problems.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

an assembly type prefabricated comprehensive pipe gallery is assembled by a plurality of prefabricated pipe joints, each prefabricated pipe joint comprises a bottom plate, a top plate, a first side plate and a second side plate, connecting cavities are formed at the connection positions of the bottom plate, the top plate, the first side plate and the second side plate, a connecting piece and a plugging device are arranged in each connecting cavity, an outer vertical plate which is bent downwards is arranged on the outer side of the connecting cavity structure formed on the top plate, an outer vertical plate which is bent upwards is arranged on the outer side of the connecting cavity structure formed on the bottom plate, the inner side of the outer vertical plate is tightly attached to the first side plate or the second side plate, an expansion joint is formed between the outer vertical plate on the top plate and the outer vertical plate on the bottom plate, and the expansion joint is in water-stop sealing connection through filling sealing waterproof connecting pieces and/or rubber water-stop belts and/or cast-in-place concrete.

Further, the connecting piece is an elastomer waterproof sealing piece, a pouring space is formed below the connecting piece arranged in the connecting cavity, the pouring space is communicated with the accommodating cavity through a pouring port, a sealed waterproof connecting piece is cast in place in the pouring space, the material of the sealed waterproof connecting piece is prepared by mixing two waterproof sealing resin materials, the waterproof sealing resin material is liquid before pouring, the sealed waterproof connecting piece is formed after pouring, a plugging device and an ear plate device are arranged in the accommodating cavity, the plugging device is used for plugging the pouring port of the connecting cavity, the plugging device comprises a head plate and an adjusting bolt, the adjusting bolt is hinged with the head plate, the adjusting bolt is fixedly connected with the ear plate device by rotating the adjusting bolt, a glue injection hole is formed in the head plate or a glue injection groove is formed between the head plate and the pipe gallery plate, and the glue injection hole or the glue injection groove is communicated with the pouring space through a glue injection pipeline.

Furthermore, the arrangement position of the expansion joint and the arrangement position of the connection cavity are arranged in a staggered manner.

Further, the bottom plate comprises a first connecting end, a second connecting end, a bottom plate main body, a first vertical plate and a second vertical plate, wherein the first connecting end and the second connecting end are arranged on the upper surfaces of the left end and the right end of the bottom plate main body; similarly, the top plate comprises a third connecting end, a fourth connecting end, a third vertical plate and a fourth vertical plate, the third vertical plate is arranged on the outer wall of the left side of the third connecting end, the fourth vertical plate is arranged on the outer wall of the right side of the fourth connecting end, the second side plate is arranged between the first connecting end and the third connecting end, the first side plate is arranged between the second connecting end and the fourth connecting end, a first expansion joint is formed between the third vertical plate and the first vertical plate, and a second expansion joint is formed between the fourth vertical plate and the second vertical plate.

Further, the horizontal elevations of the upper ends of the first vertical plate and the second vertical plate are equal in height; the horizontal elevations of the lower ends of the third vertical plate and the fourth vertical plate are equal in height.

Furthermore, a first standard knot is arranged between the third vertical plate and the first vertical plate, expansion joints are respectively formed between two ends of the first standard knot and the third vertical plate and between two ends of the first standard knot and the first vertical plate, a second standard knot is also arranged between the fourth vertical plate and the second vertical plate, and expansion joints are respectively formed between two ends of the second standard knot and the fourth vertical plate and between two ends of the second standard knot and the second vertical plate.

Furthermore, the first standard knot is provided with a plurality of joints, the number of the second standard knot is the same as that of the first standard knot, and the positions of the expansion joints formed at the upper end and the lower end of the second standard knot are as high as those of the expansion joints formed at the two ends of the first standard knot.

Further, the connecting piece includes the joint main part the left and right sides of joint main part sets up first supporting part and second supporting part respectively, first supporting part the lower surface of second supporting part can the overlap joint form the upper end surface of connecting the chamber at lower part piping lane board, and the crimping of the lower extreme surface that upper portion piping lane board formed the connecting chamber department is in first supporting part the upper surface of second supporting part, the joint main part includes first connecting portion, second connecting portion, first connecting portion set up the top of second connecting portion, the profile width of first connecting portion left and right sides direction is greater than the profile width of second connecting portion left and right sides direction, first connecting portion with the upper portion interference fit of connecting the chamber first supporting part and/or be provided with the metalwork in the second supporting part.

Furthermore, the adjusting bolt comprises an adjusting nut and an adjusting screw rod, the adjusting screw rod is distributed on the upper side and the lower side of the adjusting nut, the adjusting nut is hinged with the head plate and can only rotate relative to the head plate in a hinged mode, and the adjusting nut can drive the adjusting screw rod to extend out of two ends or stretch out and draw back into the adjusting nut when rotating in a hinged mode.

The invention also aims to disclose an installation method of the assembly type prefabricated comprehensive pipe gallery, which comprises the following steps:

ST 1: manufacturing concrete pipe gallery plates and elastomer waterproof connecting pieces in a processing plant or a field processing area;

ST 2: before the prefabricated pipe gallery plates and connecting pieces reach a construction site, the site is cleaned and leveled according to construction requirements, and the phenomenon that water is accumulated on the site or large stones exist is reduced;

ST 3: determining the installation position of the pipe gallery, and constructing a bottom cushion layer at the bottom of the installation space of the pipe gallery;

ST 4: mixing and preparing the materials of the sealing waterproof connecting piece on site;

ST 5: mounting the prefabricated pipe joints of the comprehensive pipe gallery;

ST 6: installing a plugging device;

ST 7: pouring, curing and maintaining the waterproof sealing element;

ST 8: assembling prefabricated pipe joints of a pipe gallery;

ST9a: constructing and sealing the expansion joint;

ST 9: checking the sealing effect of the prefabricated comprehensive pipe gallery connector by adopting a manual method;

ST 10: and (6) backfilling the structure.

Compared with the prior art, the assembly type prefabricated comprehensive pipe gallery and the installation method have the following advantages:

(1) according to the assembly type prefabricated comprehensive pipe gallery, an inner-layer sealing connection structure and an outer-layer sealing connection structure are formed on the assembly type prefabricated comprehensive pipe gallery, structural members are prefabricated by engineering and assembled on site, and the construction efficiency, and the stability and the reliability of waterproof sealing connection of prefabricated members of the assembly type prefabricated comprehensive pipe gallery at the connection position are greatly improved.

(2) The prefabricated comprehensive pipe gallery of the invention is provided with at least four pipe gallery plates which are prefabricated concrete plates, a connecting cavity formed at the joint of any two pipe gallery plates and used for placing a connecting piece and accommodating a cast-in-place waterproof sealing piece, the connecting piece is arranged into a prefabricated elastic body waterproof sealing piece, so that the two pipe gallery plates forming the connecting cavity can reliably and stably complete preliminary limit connection during assembly, when the joints of the two pipe gallery plates are connected, one part of an elastic waterproof sealing connecting structure formed in the connecting cavity is prefabricated, the other part is cast-in-place, the stability and the reliability of the prefabricated connecting piece and the cast-in-place waterproof sealing piece which are connected into a whole are ensured, further the reliable waterproof sealing of the connecting cavity is realized, on one hand, the construction efficiency is improved, and the construction efficiency is prevented from being slowed down when the connecting cavity is too large, simultaneously, the stability and the waterproof reliability of the connection of the two prefabricated pipe gallery plates at the connection part are also ensured.

(3) According to the assembly type prefabricated comprehensive pipe gallery, when the pipe gallery plates and the connecting pieces are not mutually matched, the pipe gallery plates can be transported in an overlapping mode, more pipe gallery plates are transported at a time, and the transportation cost is greatly reduced; simultaneously, when piping lane board, connecting piece were assembled, the concatenation process was convenient, connects stably, and waterproof sealing is reliable, has improved the water-proof effects of piping lane junction when improving the efficiency of construction greatly.

(4) The assembly type prefabricated comprehensive pipe gallery is reasonable in structure, convenient and fast to assemble, stable in connection, waterproof, reliable and extremely high in applicability, all the assembled components are manufactured in a factory, batch production can be achieved, and quality and progress are guaranteed.

(5) The assembling type prefabricated comprehensive pipe gallery installation method is simple in steps, strong in operability, capable of saving construction space and remarkable in economic benefit and social benefit.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:

FIG. 1 is a schematic structural diagram of an assembled prefabricated comprehensive pipe rack according to an embodiment of the invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic side room structure diagram of the prefabricated comprehensive pipe gallery according to the embodiment of the invention;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

FIG. 5 is a schematic structural diagram of a base plate according to an embodiment of the present invention;

FIG. 6 is a schematic side chamber structure of the base plate according to the embodiment of the present invention;

fig. 7 is a schematic structural view of a second side plate according to an embodiment of the present invention;

FIG. 8 is a schematic side compartment structure of the second side plate according to the embodiment of the present invention;

FIG. 9 is an enlarged view of a portion C of FIG. 8;

FIG. 10 is a schematic side compartment view of a connector according to an embodiment of the present invention;

FIG. 11 is a schematic front view of a connector according to an embodiment of the present invention;

FIG. 12 is a schematic diagram of a utility tunnel with two first side plates assembled according to an embodiment of the present invention;

FIG. 13 is a schematic side-compartment structure of the base plate structure according to example 2 of the present invention;

FIG. 14 is an enlarged view of a portion D of FIG. 13;

FIG. 15 is a schematic structural diagram of an assembled prefabricated comprehensive pipe rack in embodiment 2 of the invention;

FIG. 16 is a schematic side-compartment construction of the construction of FIG. 15;

fig. 17 is a schematic structural view of a utility tunnel assembled by two first side plates in embodiment 2 of the present invention;

description of reference numerals:

1-bottom plate, 101-first connecting end, 101 a-first limiting plate, 101 b-first boss, 101 c-first limiting groove, 101 d-second limiting plate, 102-second connecting end, 102 a-third limiting plate, 102 b-second boss, 102 c-second limiting groove, 102 d-fourth limiting plate, 103-bottom plate main body, 104-first vertical plate, 105-second vertical plate, 2-top plate, 201-third connecting end, 202-fourth connecting end, 203-third vertical plate, 204-fourth vertical plate, 3-first side plate, 4-second side plate, 401-fifth connecting end, 401 a-fifth limiting plate, 401 b-third boss, 401 c-third limiting groove, 401 d-sixth limiting plate, 402-sixth connecting end, 402 a-a seventh limiting plate, 402 b-a fourth boss, 402 c-a fourth limiting groove, 402 d-an eighth limiting plate, 5-a connecting piece, 501-a connecting body, 501 a-a first connecting part, 501 b-a second connecting part, 502-a first supporting part, 502 a-a sealed outer end, 502 b-a connecting sheet, 502 c-a first avoiding groove, 502 d-a second avoiding groove, 502 e-a sealed inner end, 503-a second supporting part, 6-a pouring space, 7-a connecting cavity, 8-a sealing plate, 9-an adjusting bolt, 901-an adjusting nut, 902-an adjusting screw rod, 10-a first lug plate, 11-a second lug plate, 12-a third lug plate, 13-a fourth lug plate, 14-a glue injection hole and 15-an expansion joint, 16-first standard section, 17-second standard section, 18-accommodating cavity, 19-pouring gate and 20-glue injection groove.

Detailed Description

In order to make the technical means, objectives and functions of the present invention easy to understand, embodiments of the present invention will be described in detail with reference to the specific drawings.

It should be noted that all terms used in the present invention for directional and positional indication, such as: the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "lower", "lateral", "longitudinal", "center", and the like are used only for explaining the relative positional relationship, connection, and the like between the respective members in a certain state (as shown in the drawings), and are only for convenience of describing the present invention, but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Embodiment 1, as shown in fig. 1 to 12, the invention discloses a prefabricated assembled comprehensive pipe gallery, which is assembled by a plurality of prefabricated pipe joints, each prefabricated pipe joint comprises at least two pipe gallery plates, the plate edges of the pipe gallery plates are abutted and enclosed into a tubular structure with a containing chamber 18, a connecting cavity 7 is formed at the joint of the two pipe gallery plates, a connecting piece 5 is arranged in the connecting cavity 7, the connecting piece 5 is an elastomer waterproof sealing piece, a pouring space 6 is formed below the connecting piece 5 arranged in the connecting cavity 7, the pouring space 6 is communicated with the containing chamber 18 through a pouring gate 19, a sealed waterproof connecting piece is cast in place in the pouring space 6, the material of the sealed waterproof connecting piece is prepared by mixing two waterproof sealing resin materials, the waterproof sealing resin material is liquid before pouring, a waterproof sealing piece is formed after pouring, namely the sealed waterproof connecting piece, the sealing device comprises a sealing head plate 8 and an adjusting bolt 9, the adjusting bolt 9 is hinged to the sealing head plate 8, the adjusting bolt 9 is fixedly connected with the ear plate device by rotating the adjusting bolt 9, a glue injection hole 14 is formed in the sealing head plate 8 or a glue injection groove 20 is formed between the sealing head plate 8 and a pipe gallery plate, and the glue injection hole 14 or the glue injection groove 20 is communicated with the pouring space 6 through a glue injection pipeline.

The prefabricated assembled comprehensive pipe gallery is provided with at least two pipe gallery plates which are prefabricated concrete plates, a connecting cavity 7 formed at the joint of the two pipe gallery plates and used for placing a connecting piece 5 and accommodating a cast-in-place waterproof sealing piece, and the connecting piece 5 is arranged to be a prefabricated elastic body waterproof sealing piece, so that the two parts of the pipe gallery plates forming the connecting cavity 7 can reliably and stably finish primary limit connection during assembly, preferably, the connecting piece 5 and the waterproof sealing piece are made of the same material, such as polyester or polyolefin elastomer, the polyester elastomer is one or more of polyether-ester block copolymer containing aromatic dicarboxylic acid or ester forming derivative thereof and aliphatic polyether, polyester-ester block copolymer containing aromatic dicarboxylic acid or ester forming derivative thereof and aliphatic polyester-ester block copolymer containing aliphatic polyester, the polyolefin elastomer is an elastomer comprising a block copolymer rubber comprising a vinyl aromatic compound and a conjugated diene compound, and polypropylene, or an elastomer comprising an ethylene-propylene copolymer rubber and polypropylene, or the like; when connecting the joint of two pipe gallery boards, partly be prefabricated in the elasticity waterproof sealing connection structure who forms in connecting chamber 7, partly be cast-in-place, prefabricated connecting piece 5 has been guaranteed to be connected stability as an organic whole and reliability with cast-in-place waterproof sealing spare, and then the realization is to connecting the reliable waterproof sealing in chamber 7, construction efficiency has been improved on the one hand, the efficiency of construction who avoids connecting chamber 7 and cause slows down when too big, also guarantee the stability and the waterproof reliability that two prefabricated pipe gallery boards are connected at the junction simultaneously.

When using, at first place connecting piece 5 on the pipe gallery board of setting in the lower part, then place the other pipe gallery board that sets up in the pipe gallery board top of lower part, this moment, form connection chamber 7 between two pipe gallery boards, and, connecting piece 5 has been placed in connection chamber 7, and give and formed pouring space 6 in the below of connecting piece 5, and then install plugging device, cover plugging device including head plate 8 on sprue gate 19, through rotating adjusting bolt 9, it is fixed with otic placode device detachable with adjusting bolt 9, realize the fixed of head plate 8, through pouring the waterproof sealing resin material of mixing preparation to injecting glue hole 14 or injecting glue groove 20, treat that cast-in-place waterproof sealing resin material realizes after solidifying into waterproof sealing in pouring space 6 and connecting piece 5, upper portion pipe gallery board, the connection of lower part pipe gallery board is fixed.

According to the prefabricated assembled comprehensive pipe gallery, when the pipe gallery plates and the connecting piece 5 are not mutually matched, the pipe gallery plates can be transported in an overlapping mode, more pipe gallery plates are transported at a time, and the transportation cost is greatly reduced; simultaneously, when piping lane board, connecting piece were assembled, the concatenation process was convenient, connects stably, and waterproof sealing is reliable, has improved the water-proof effects of piping lane junction when improving the efficiency of construction greatly.

Preferably, as a preferred example of the present invention, the connection chamber 7 is formed at the joint of the two tube lane plates in the up-down direction. Through two the concatenation department of the upper and lower direction of pipe gallery board forms connection chamber 7 for lower part pipe gallery board is placing after target in place, and connecting piece 5 can be placed on lower part pipe gallery board under the dead weight effect, and then places upper portion pipe gallery board again, realizes the location and the assembly of upper portion pipe gallery board and lower part pipe gallery board, no longer needs unnecessary location or mounting tool, simplifies the work operation, improves the efficiency of construction.

Preferably, as a preferred example of the present invention, the connecting member 5 includes a connecting body 501, a first supporting portion 502 and a second supporting portion 503 are respectively disposed at left and right sides of the connecting body 501, lower surfaces of the first supporting portion 502 and the second supporting portion 503 can overlap an upper end surface of the lower pipe gallery plate forming connecting cavity 7, and a lower end surface of the upper pipe gallery plate forming connecting cavity 7 is pressed against upper surfaces of the first supporting portion 502 and the second supporting portion 503.

This setting discloses the structure of connecting piece 5, the convenience and the reliability of being connected when the piping lane assembly of connecting piece 5 of being convenient for. As an example of the present invention, the first support portion 502 is provided at an end of the connection cavity 7 away from the accommodation chamber 18, the second support portion 503 is provided at an end of the connection cavity 7 close to the accommodation chamber 18, and the gate 19 may be provided above the second support portion 503, or the second support portion 503 may protrude into the gate 19.

Preferably, as a preferred example of the present invention, the second supporting portion 503 extends into the pouring gate 19, a glue injection pipeline is disposed on the second supporting portion 503, and two ends of the glue injection pipeline are respectively communicated with the glue injection hole 14 and the pouring space 6. As an example of the invention, the glue injection pipeline is arranged in an inclined manner, the glue injection pipeline is arranged in an inclined upward structure from one end close to the pouring space 6 to one end close to the accommodating chamber 18, and the upper end of the glue injection pipeline is not higher than the height of the glue injection hole 14 communicated with the glue injection pipeline.

This setting makes, when assembling the piping lane in the site operation process, through injecting glue hole 14, the circulation guide effect of injecting glue pipeline and pouring space 6, can be quick pour into pouring space 6 with the material of waterproof sealing connecting piece into, and then realize upper portion piping lane board, lower part piping lane board, connecting piece 5, waterproof sealing connecting piece's connection is fixed, and simultaneously, through the waterproof sealing connecting piece that sets up, also can be fine when being in the assembly to the connection chamber 7 unevenness that leads to because the production precision problem sealed the assembly, the waterproof leakproofness of piping lane board at the junction about further improving.

Preferably, as a preferred example of the present invention, the connecting body 501 includes a first connecting portion 501a and a second connecting portion 501b, the first connecting portion 501a is disposed above the second connecting portion 501b, a contour width of the first connecting portion 501a in a left-right direction is greater than a contour width of the second connecting portion 501b in a left-right direction, and the first connecting portion 501a is in interference fit with an upper portion of the connecting cavity 7. As an example of the present invention, the connection chamber 7 is composed of a limiting groove on the upper pipe gallery plate and a limiting groove on the lower pipe gallery plate, when assembling, after the lower pipe gallery plate is fixedly installed in place, the connecting member 5 is placed on the lower pipe gallery plate, at this time, the first supporting portion 502 and the second supporting portion 503 of the connecting member 5 are respectively overlapped on the upper end surfaces of the limiting plates on the left and right sides of the limiting groove on the lower pipe gallery plate, the second connecting portion 501b on the connecting member 5 extends into the limiting groove on the lower pipe gallery plate and forms the pouring space 6 in the limiting groove, then the upper pipe gallery plate is installed, the limiting groove on the upper pipe gallery plate is sleeved outside the first connecting portion 501a, the upper pipe gallery plate is continuously installed by pressing down by applying external force until the limiting plates on both sides of the limiting groove on the upper pipe gallery plate are pressed on the upper surfaces of the first supporting portion 502 and the second supporting portion 503, thereby realizing the installation of the upper pipe gallery plate in place. This setting discloses a structure of connecting subject, and the processing production of being convenient for on the one hand because connecting piece 5 is the prefabricated elastomer waterproof sealing member who forms by waterproof sealing resin material also, has the deformability of high elastic state, realizes the cooperation assembly of connecting piece 5 and upper portion pipe gallery board through interference fit's fixed mode, and is simple swift, connects stably.

Preferably, as a preferred example of the present invention, the first supporting portion 502 includes a block outer terminal 502a, a connecting sheet 502b, and a block inner terminal 502e, the block outer terminal 502a and the block inner terminal 502e are disposed on left and right sides of the connecting sheet 502b, the block inner terminal 502e is connected to the connecting body 501, and a first avoiding groove 502c and a second avoiding groove 502d are formed on upper and lower sides of the connecting sheet 502 b. This setting discloses a concrete structure of first supporting part 502, end 502e in end 502a and the shutoff outside the shutoff that sets up, be used for keeping away from the junction that holds cavity 18 one side to connecting chamber 7 and seal up the shutoff, connection thin slice 502b and first groove 502c of dodging, the setting of groove 502d is dodged to the second, be used for with the upper portion pipe gallery board that forms connecting chamber 7, the unsmooth cooperation of boss on the pipe gallery board of lower part, guarantee first supporting part 502 and upper portion pipe gallery board, the convenience and the leakproofness of lower part pipe gallery board assembly. As an example of the present invention, the first avoidance groove 502c and the second avoidance groove 502d may be disposed in a staggered manner in a vertical direction, or projections of the first avoidance groove 502c and the second avoidance groove 502d in a horizontal direction are overlapped, and the first avoidance groove 502c and the second avoidance groove 502d are divided into two independent spaces by the arrangement of the connection sheet 502b, so as to further ensure the sealing property of the assembly at the outer end side of the connection cavity 7, and improve the waterproof performance of the pipe rack structure.

Preferably, as a preferred example of the present invention, an alloy or a metal member is disposed in the first supporting portion 502 and/or the second supporting portion 503 to reinforce the strength of the first supporting portion 502 and the second supporting portion 503, and as an example of the invention, a titanium alloy or a steel plate is disposed in the first supporting portion 502 and/or the second supporting portion 503 to greatly improve the allowable deformation strength of the first supporting portion 502 and the second supporting portion 503, so as to avoid the risk of poor sealing caused by deformation when the lower pipe gallery plate, the connecting member 5, and the upper pipe gallery plate are assembled, and further improve the waterproof performance of the pipe gallery structure.

Preferably, as a preferred example of the present invention, the lower surface of the second supporting portion 503 is disposed in an inclined shape, and the lower surface of the second supporting portion 503 is disposed in an inclined upward configuration from one end close to the pouring space 6 to one end close to the accommodating chamber 18. This setting is convenient for on the one hand form the injecting glue pipeline of slope form on second supporting part 503, has also guaranteed the convenience of second supporting part 503 assembly and the leakproofness of pouring back pipe gallery structure simultaneously.

Preferably, the upper edge and/or the lower edge of the glue injection pipeline on the second supporting portion 503 are/is arranged in a wavy manner, the outer surface of the second connecting portion 501b on the connecting body 501 is also arranged in a wavy manner, and the wavy structure arranged on the second connecting portion 501b comprises a transverse wavy structure and/or a vertical wavy structure. This setting has improved the joint strength of the waterproof sealing connecting piece that forms in the pouring space 6 and connecting piece 5 and pipe gallery board, has further improved the stability that pipe gallery structure equipment is in the same place.

Preferably, as a preferred example of the present invention, the adjusting bolt 9 includes an adjusting nut 901 and an adjusting screw 902, the adjusting screw 902 is distributed on the upper side and the lower side of the adjusting nut 901, the adjusting nut 901 is hinged to the head plate 8 and can only be hinged to the head plate 8, and the adjusting nut 901 can drive the adjusting screw 902 to extend towards both ends or to extend towards the inside of the adjusting nut when being hinged. Specifically, the adjusting screw 902 is divided into an upper section and a lower section, the two sections of adjusting screw 902 are both in threaded connection with the adjusting nut 901, the ear plate device comprises two ear plates at the upper end and the lower end of the head plate 8, the two ear plates are respectively arranged on the upper pipe gallery plate and the lower pipe gallery plate forming the connecting cavity 7, and by rotating the adjusting nut 901 clockwise, the adjusting screw 902 above the adjusting nut 901 is jacked upwards and can be in threaded connection with the ear plate above the head plate 8; the adjusting screw 902 below the adjusting nut 901 moves downwards and can be in threaded connection with the ear plate below the head plate 8; conversely, by rotating the adjusting nut 901 counterclockwise, the adjusting screw 902 above the adjusting nut 901 moves downward, the adjusting screw 902 below the adjusting nut 901 moves upward, and the two sections of adjusting screws 902 extend toward the inside of the adjusting nut 901.

This setting is convenient for the fixed of head board to demolish the head board as required, and guarantee when cast-in-place waterproof sealing connecting piece, form upper portion pipe gallery board, lower part pipe gallery board, the connecting piece 5 connection stability of connecting chamber 7.

Preferably, as a preferred example of the present invention, the head sealing plate 8 is a polymer waterproof sealing plate, the thickness of the sealing plate may be any thickness between 0.8mm and 2.0mm, such as 0.8mm, 1.0mm, 1.2 mm, 1.4 mm, 1.6 mm and 2.0mm, preferably 0.8mm, the material is polymer modified asphalt or polymer material with a reinforced film such as PE, PVC, EVA, ethylene propylene diene monomer or aluminum film, preferably a PE foam plate, so that the sealing plate has good adhesion performance with concrete and certain flame retardancy, and after the sealing waterproof connecting member is molded by casting, the sealing waterproof connecting member may be in a waterproof manner according to an original design without removal, so as to simplify a construction process and further improve construction efficiency.

Preferably, as a preferred example of the present invention, the prefabricated pipe joint includes four pipe gallery plates, which are a bottom plate 1, a top plate 2, a first side plate 3, and a second side plate 4, connection cavities 7 are formed at the connection positions of two of the bottom plate 1, the top plate 2, the first side plate 3, and the second side plate 4, and a connecting member 5 and a plugging device are disposed in each connection cavity 7. As an example of the present invention, the bottom plate 1 includes a first connection end 101, a second connection end 102, and a bottom plate main body 103, the first connection end 101 and the second connection end 102 are disposed on an upper surface of the bottom plate main body 103, the first connection end 101 and the second connection end 102 are disposed at left and right ends of the bottom plate main body 103, the first side plate 3 is disposed above the second connection end 102, the second side plate 4 is disposed above the first connection end 101, the top plate 2 includes a third connection end 201 and a fourth connection end 202, a first connection cavity is formed between the first side plate 3 and the second connection end 102, a second connection cavity is formed between the first side plate 3 and the fourth connection end 202, a third connection cavity is formed between the second side plate 4 and the first connection end 101, a fourth connection cavity is formed before the second side plate 4 and the third connection end 201, as an example of the present invention, the first connection cavity and the third connection cavity have the same height level and are symmetrically arranged along the vertical central line of the pipe rack structure, and the second connection cavity and the fourth connection cavity have the same height level and are symmetrically arranged along the vertical central line of the pipe rack structure. This setting discloses a concrete structure of prefabricated tube coupling, should set up and reduced every pipe gallery board shared space when the transportation on the one hand, improve the conveying efficiency greatly, reduce the cost of transportation, also can make bottom plate 1 change the use with roof 2 simultaneously, first curb plate 3 with the use is changed to second curb plate 4, and the use of mould when reducing prefabricated pipe gallery board further reduces manufacturing cost.

Preferably, as a preferred example of the present invention, a connection cavity 7 is formed between the first connection end 101 of the base plate 1 and the sixth connection end 402 of the second side plate 4, the first connection end 101 includes a first limiting plate 101a and a second limiting plate 101d, a first limiting groove 101c is formed between the first limiting plate 101a and the second limiting plate 101d, the first lug plate 10 is disposed on the second limiting plate 101d, a first boss 101b is disposed on an upper surface of the first limiting plate 101a, correspondingly, the sixth connection end 402 includes a seventh limiting plate 402a and an eighth limiting plate 402d, a fourth limiting groove 402c is formed between the seventh limiting plate 402a and the eighth limiting plate 402d, a second lug plate 11 is disposed on the eighth limiting plate 402d, a fourth boss 402b is disposed on a lower surface of the seventh limiting plate 402a, and the fourth limiting groove 402c is used for accommodating the first connection portion 501a for fixing the connection member 5, first spacing groove 101c is used for holding fixedly the second connecting portion 501b of connecting piece 5, first boss 101b can stretch into second on the connecting piece 5 dodges groove 502d, fourth boss 402b can stretch into first on the connecting piece 5 dodges groove 502c, plugging device sets up first otic placode 10 with between the second otic placode 11, plugging device's adjusting screw 902 can simultaneously with first otic placode 10, 11 threaded fixing of second otic placode.

The arrangement is exemplified by the connecting cavity 7 formed between the first connecting end 101 and the sixth connecting end 402, and the structure of assembling the connecting cavity 7 and the connecting piece 5 is described in detail, so that the structure is ingenious, the assembly is convenient, and the connection is stable after the assembly and the forming are carried out.

Preferably, the upper surface of the second limiting plate 101d is disposed in an upward inclined configuration from the end close to the first limiting groove 101c to the end close to the accommodating chamber 18, and the lower surface of the eighth limiting plate 402d is disposed in a downward inclined configuration from the end close to the fourth limiting groove 402c to the end close to the accommodating chamber 18. This arrangement further ensures the reliability of the bottom plate 1 and the top plate 2 and the reliability of the first side plate 3 and the second side plate 4.

Preferably, the upper end of the second side plate 4 is a fifth connection end 401, a connection cavity 7 is also formed between the fifth connection end 401 and the third connection end 201 of the top plate 2, the fifth connection end 401 includes a fifth limiting plate 401a and a sixth limiting plate 401d, a third limiting groove 401c is formed between the fifth limiting plate 401a and the sixth limiting plate 401d, a third boss 401b is disposed on the upper surface of the fifth limiting plate 401a, and the structure of the fifth connection end 401 and the sixth connection end 402 are symmetrically arranged along the horizontal center line of the second side plate 4. Here, the adjusting screw 902 of the occlusion device of the connection cavity 7 is respectively in threaded connection with a third ear plate 12 and a fourth ear plate 13, the third ear plate 12 is disposed on the third connection end 201, and the fourth ear plate 13 is disposed on the fifth connection end 401. This setting makes the upper and lower both ends of second curb plate 4 can change the use, guarantees the reliability that the upper and lower both ends of second curb plate 4 change the use.

Preferably, as a preferred example of the present invention, the second connecting end 102 includes a third limiting plate 102a and a fourth limiting plate 102d, a second limiting groove 102c is formed between the third limiting plate 102a and the fourth limiting plate 102d, a second boss 102b is disposed on an upper surface of the third limiting plate 102a, and the second connecting end 102 and the first connecting end 101 are symmetrically arranged along a vertical center line of the bottom plate 1. The two ends of the bottom plate 1 can be exchanged for use when in use by the arrangement, and the reliability of exchanging and using the left end and the right end of the bottom plate 1 is ensured. The aforesaid sets up the general match nature that has improved the pipe gallery board greatly when the equipment assembly.

Preferably, as a preferred example of the present invention, two sections of the first side plate 3 and two sections of the second side plate 4 are disposed between the bottom plate 1 and the top plate 2, the two sections of the first side plate 3 form a right side wall of a pipe rack, the two sections of the second side plate 4 form a left side wall of the pipe rack, a connection cavity 7 is formed at a connection position of the two sections of the first side plate 3, and a connection cavity 7 is formed at a connection position of the two sections of the second side plate 4. This setting is convenient for improve pipe gallery assembly structure's space as required, further improves pipe gallery structure's application scope.

As an example of the invention, the connection between the adjacent prefabricated pipe sections of the prefabricated assembled comprehensive pipe gallery is the assembly connection by adopting the existing waterproof connection node, such as the sealing by pouring concrete or pouring sealing material after the multilayer insertion assembly.

The installation method of the prefabricated assembled comprehensive pipe gallery comprises the following steps:

ST 2: before the prefabricated pipe gallery plate and the prefabricated connecting piece reach a construction site, the site is cleaned and leveled according to construction requirements, and the phenomenon that water is accumulated or large stones exist on the site is reduced;

and (4) checking the groove of the foundation pit, eliminating loose soil, soft soil layers and holes, and ramming the bottom twice to level and clean the foundation pit. According to design requirements, determining the position of a pipe gallery by construction and setting out, sequentially filling silt, broken stone and clay into the pipe gallery, and compacting to form a pipe gallery bottom cushion layer;

the material of the sealing waterproof connecting piece is prepared by mixing two waterproof sealing resin materials, if the sealing waterproof connecting piece is prepared by adopting a low-modulus two-component polyurethane material, the sealing waterproof connecting piece comprises a component I and a component II, the component I and the component II of the sealing waterproof connecting piece are liquid before pouring, are prepared according to product specifications, are mechanically mixed, and are required to be uniformly mixed without generating bubbles.

In the process of batching the waterproof sealing connecting piece, the component I and the component II of the waterproof sealing connecting piece are proportioned and calibrated, and the volume proportioning weighing error of the component I and the component II is less than 3 percent; if the proportioning weighing error is less than 3%, performing mixed discharging of the sealed waterproof connecting piece ingredients; if the proportioning weighing error is not less than 3%, then carrying out proportioning weighing on the component I and the component II again until the proportioning weighing error of the component I and the component II is less than 3%, and then entering the step of mixed discharging of the sealed waterproof connecting piece; and the sealing waterproof connecting piece material after mixed discharging is always in a stirred state, so that the sealing waterproof connecting piece material is always in liquid state before pouring.

ST 5: mounting the prefabricated pipe joints of the comprehensive pipe gallery;

the method comprises the steps of hoisting a lower pipe gallery plate, placing connecting pieces 5 at the connecting parts of two ends of the lower pipe gallery plate after the lower pipe gallery plate is hoisted in place and fixed, wherein a first supporting part and a second supporting part of each connecting piece 5 are lapped on the upper surface of the connecting end of the lower pipe gallery plate, hoisting the upper pipe gallery plate and pressing the upper pipe gallery plate above the connecting pieces 5, and the connecting end of the upper pipe gallery plate is pressed on the upper surfaces of the first supporting part and the second supporting part of the connecting pieces 5 under the self-weight action of the upper pipe gallery plate;

ST 6: installing a plugging device;

the sealing head plate 8 of the plugging device covers the pouring gate 19 of the connecting cavity 7, and the adjusting screw 902 is in threaded connection with the ear plate devices arranged at the upper side and the lower side of the adjusting nut 901 by rotating the adjusting nut 901.

ST 7: pouring, curing and maintaining the waterproof sealing element;

according to the construction conditions, pouring is carried out by adopting a manual or mechanical method, the temperature and the viscosity of the discharged material are controlled during discharging, the connecting cavity 7 is filled with the pouring material of the sealed waterproof connecting piece, curing is carried out after pouring and curing, impurities such as water, dust and the like and mechanical damage are avoided during curing of the waterproof sealing piece, the double-component polyurethane material has lower modulus and higher elongation, and the telescopic and shearing motions of the joints of the pipe gallery can be met.

Preferably, when the prefabricated pipe joint of the comprehensive pipe gallery is installed, the concrete surface of the limiting groove on the lower pipe gallery plate forming the connecting cavity 7 is coated with the chemical binder, in order to improve the bonding strength between the prefabricated pipe joint and the concrete, the concrete surface is treated by adopting the special chemical binder, the surface is ensured to be free of open water and dust before the chemical binder is coated, the thickness of the coating is determined according to the moisture content and the temperature of the concrete, when the moisture content is more than 20 percent and the temperature is lower than 5 ℃, the coating is coated for one time after drying, the coating is coated for one time under other conditions, the chemical binder is coated for uniform coating on the bonding surface without leaking the concrete surface, and the coating area is larger than the bonding surface.

When the temperature of the construction site is lower than 5 ℃, before the waterproof sealing element is poured, a hot air gun or a flame spray gun can be adopted to heat the concrete at the position of the limiting groove on the lower pipe gallery plate.

As an example of the present invention, mechanical glue injection is implemented by a mechanically-driven glue injection device such as a (large-scale glue injection gun) glue injection into the casting space 6 in the connecting cavity 7, the principle of the large-scale glue injection gun is similar to that of the glue injection gun, the large-scale glue injection gun is communicated with a mixed and prepared sealing and waterproof connecting piece material through a suction inlet, the suction and discharge of the sealing and waterproof connecting piece material are implemented through the reciprocating motion of a push rod and a piston, multi-head discharge is implemented through a plurality of outflow pipes during discharge, and the push rod and the piston implement reciprocating motion through a mechanical arm driven by a motor in the prior art. When the upper pipe gallery plate, the connecting piece and the lower pipe gallery plate are assembled in a flat mode, the sealing head plate of the plugging device covers the pouring port 19 of the connecting cavity 7 and is connected with the pouring port 19 in a clinging mode, so that the pouring port 19 is plugged, the adjusting bolt 9 is adjusted and fixed, the sealing waterproof connecting piece material prepared by mixing is conveyed into the glue injecting hole 14 in the sealing head plate 8, the glue injecting holes 14 in the sealing head plate 8 are provided with a plurality of glue injecting holes, glue is injected into the pouring space 6 through at least two glue injecting devices, the glue injecting efficiency is improved, glue injection can be finished when one of the sealing head plate fails, the discharging pipe of the glue injecting devices is connected with the glue injecting holes 14 in a sealing mode, preferably, the discharging heads of the two glue injecting devices are arranged at intervals, so that the glue injecting devices are mixed again during glue injection, the forming performance of the sealing waterproof connecting piece is guaranteed, the connecting stability of the sealing waterproof connecting piece and the reliability of the sealing waterproof work are further guaranteed, when the space in the pouring gate 19 is filled with the sealing waterproof connecting piece material which is prepared by mixing, injecting air into the glue injection hole 14 through a glue injection device for pressurization, keeping the pressure in AMPA, wherein the value range of A is 0.1-1, preferably 0.3, 0.5 and 0.7, lasting Bmin, the value range of B is 1-10, preferably 1.5, 2, 2.5 and 3, then standing the sealing waterproof connecting piece material for T hours in a natural state, wherein the value range of T is 3-24, for example, the standing time is 3h, 5h, 8h, 10h and 12h, selecting reasonable standing and forming time according to the performance of the prefabricated sealing waterproof connecting piece material, completing construction of the joint between the upper pipe gallery plate and the lower pipe gallery plate after forming and fixing, and continuing construction operation of the upper pipe gallery plate close to the upper joint.

ST 8: assembling prefabricated pipe joints of a pipe gallery;

sequentially carrying out three water tests at the joint of the pipe gallery plate and the joint of the prefabricated pipe joints according to the interval of 10min, the interval of 20min and the interval of 30min, and if the sealing is complete, carrying out structural backfill; if the joint is seeped, secondary pouring of the cast-in-place sealant is carried out through arranging a pouring mold cavity on the outer side of the joint; and if the secondary sealing has problems, removing the secondary cast-in-place sealing element, and then pouring the sealed waterproof connecting piece again, wherein the waterproof test of the secondarily poured sealed waterproof connecting piece is carried out according to the water testing method of the joint of the pipe gallery plate and the joint of the prefabricated pipe joints.

ST 10: backfilling the structure;

and backfilling the foundation pit by utilizing the excavated soil body to form an underground pipe gallery space. Preferably, adopt earlier before backfilling waterproof mortar to assemble the concrete of gap pouring part height between utility tunnel and the piping lane installation space lateral wall with the prefabrication, set up twice waterproofing membrane in the top of utility tunnel is assembled in the prefabrication, twice waterproofing membrane sets up respectively and assembles the position that utility tunnel is close to both ends about in the prefabrication, and waterproofing membrane can adopt the product of 2mm, 3mm, 5mm, 8mm thickness.

As the prefabricated assembled comprehensive pipe rack, the prefabricated pipe joints comprise four pipe rack plates, namely a bottom plate 1, a top plate 2, a first side plate 3 and a second side plate 4, and the installation method of the prefabricated pipe joints of the comprehensive pipe rack comprises the following steps:

ST51, hoisting the bottom plate 1, and fixing the bottom plate 1 above the bottom cushion layer;

ST52, respectively placing a connecting piece 5 at the position of the limiting groove on the first connecting end 101 and the second connecting end 102 at the left end and the right end of the bottom plate 1, and matching the end of the first connecting end 101 and the end of the second connecting end 102 far away from the containing cavity 18 with the blocking outer end 502a, the connecting sheet 502b, the blocking inner end 502e and the first avoiding groove 502c on the first supporting part 502 in a concave-convex way; the upper surfaces of the first connecting end 101 and the second connecting end 102 close to the accommodating chamber 18 are obliquely lapped and limited through a second supporting part 503;

ST53, hoisting a second side plate 4, hoisting a sixth connecting end 402 arranged at the lower end of the second side plate 4 to the upper side of the first connecting end 101, placing a fourth limiting groove 402c on the sixth connecting end 402 above a connecting piece 5 at the first connecting end 101 through manual adjustment, and slowly reducing the applied force for hoisting the second side plate 4, wherein the second side plate 4 realizes the interference fit between the fourth limiting groove 402c and a first connecting part 501a on the connecting piece 5 by the action of self weight;

ST54, when the sixth connecting end 402 on the second side plate 4 is completely lapped on the upper surfaces of the first supporting part 502 and the second supporting part 503 on the connecting piece 5, slightly increasing the applied force for hoisting the second side plate 4, so that the reinforcing steel bar rope hoisting the second side plate 4 is in a pre-tightening state, and then installing the plugging device;

ST55 casting the material of the sealing waterproof connecting piece into the casting space 6 in the third connecting cavity formed between the second side plate 4 and the bottom plate 1;

ST56, hoisting the first side plate 3, and pouring the material of the sealed waterproof connecting piece into a pouring space 6 in a first connecting cavity formed between the first side plate and the bottom plate 1;

ST 57: placing a connecting piece 5 at the upper end of the first side plate 3 and the upper end of the second side plate 4 respectively, hoisting the top plate 2 after the waterproof sealing connecting pieces in the first connecting cavity and the third connecting cavity are cured, and pouring materials of the waterproof sealing connecting pieces into a second connecting cavity formed between the top plate 2 and the first side plate 3 and a fourth connecting cavity formed between the top plate 2 and the second side plate 4 and curing the materials;

ST 58: and after the plurality of connecting cavities 7 on the prefabricated assembled comprehensive pipe gallery are cured and solidified through the sealed waterproof connecting pieces, ST9 is performed.

The hoisting sequence of the first side plate 3 and the second side plate 4 can be interchanged, and the hoisting can be carried out simultaneously; the top plate 2 is hoisted and assembled after the waterproof sealing connecting pieces in the first connecting cavity and the third connecting cavity are cured.

As an example of the present invention, when a second first side plate 3 is disposed above the first side plate 3 again, after a sealed waterproof connecting piece is poured into a pouring space 6 in a first connecting cavity formed between the first side plate 3 and the bottom plate 1 and is cured, the second first side plate 3 is hoisted and assembled; the two second side plates 4 are constructed and assembled in the same manner.

Embodiment 2, as shown in fig. 1 to 17, the present invention further discloses another prefabricated assembled comprehensive pipe rack, which is assembled by a plurality of prefabricated pipe joints, each prefabricated pipe joint includes a bottom plate 1, a top plate 2, a first side plate 3 and a second side plate 4, a connection cavity 7 is formed at a connection position of each two of the bottom plate 1, the top plate 2, the first side plate 3 and the second side plate 4, a connection member 5 and a plugging device are arranged in each connection cavity 7, a downward bent outer vertical plate is arranged on an outer side of a structure forming the connection cavity 7 on the top plate 2, an upward bent outer vertical plate is arranged on an outer side of the structure forming the connection cavity 7 on the bottom plate 1, an inner side of the outer vertical plate is tightly attached to the first side plate 3 or the second side plate 4, an expansion joint 15 is formed between the outer vertical plate on the top plate 2 and the outer vertical plate on the bottom plate 1, and the expansion joint 15 is formed by filling and sealing a waterproof connection member and/or a rubber water stop and/or a cast-in-place concrete mixture and/or by a cast-in-place The concrete was connected to the end of the pipe in a water-tight manner, and the other structure was the same as that of example 1.

This setting makes the prefabricated utility tunnel of assembling form inside and outside two-layer sealing connection structure, and the structure adopts the engineering prefabrication, and the scene is assembled, has improved the stability and the reliability of efficiency of construction and prefabricated prefab of assembling utility tunnel in the waterproof sealing connection of junction greatly.

Further, as an embodiment of the present invention, the arrangement position of the expansion joint 15 is offset from the arrangement position of the connection cavity 7.

Because the setting position of expansion joint 15 and connection chamber 7 is the dislocation for even there is external environment water from the infiltration of expansion joint position, also can be along the outside of first curb plate 3 or second curb plate 4 flow direction second supporting part 503 on the bottom plate 1, avoid in the flow direction connection chamber 7, further through connecting piece 5 and waterproof sealing connecting piece and the sealing connection who is connected chamber 7, greatly reduced external environment water flow to the probability that holds cavity 18. This setting has further improved the reliability of prefabricated utility tunnel connection structure of assembling at the waterproof sealing connection of junction.

Further, as an embodiment of the present invention, the bottom plate 1 includes a first connecting end 101, a second connecting end 102, a bottom plate main body 103, a first vertical plate 104, and a second vertical plate 105, the first connecting end 101 and the second connecting end 102 are disposed on upper surfaces of left and right ends of the bottom plate main body 103, the first vertical plate 104 is disposed at a left end of the bottom plate main body 103 and is bent upward, and the second vertical plate 105 is disposed at a right end of the bottom plate main body 103 and is bent upward; similarly, the top plate 2 includes a third connecting end 201, a fourth connecting end 202, a third vertical plate 203, and a fourth vertical plate 204, the third vertical plate 203 is disposed on an outer wall of the left side of the third connecting end 201, the fourth vertical plate 204 is disposed on an outer wall of the right side of the fourth connecting end 202, the second side plate 4 is disposed between the first connecting end 101 and the third connecting end 201, the first side plate 3 is disposed between the second connecting end 102 and the fourth connecting end 202, a first expansion joint 15 is formed between the third vertical plate 203 and the first vertical plate 104, and a second expansion joint 15 is formed between the fourth vertical plate 204 and the second vertical plate 105.

This setting has given a bottom plate and roof and has formed the expansion joint and connect the concrete structure in chamber, and is rational in infrastructure, and the assembly is convenient, connects stably, and waterproof sealing is reliable.

Further, as an embodiment of the present invention, the heights of the horizontal elevations of the upper ends of the first vertical plate 104 and the second vertical plate 105 are equal; the height of the horizontal elevation at the lower end of third vertical plate 203 and fourth vertical plate 204 is equal.

The arrangement enables the arrangement position of the first expansion joint 15 formed between the third vertical plate 203 and the first vertical plate 104 and the arrangement position of the second expansion joint 15 formed between the fourth vertical plate 204 and the second vertical plate 105 to be at the same elevation position, so that the top plate 2 and the bottom plate 1 can be conveniently allocated and used during assembly, and the left end and the right end of the top plate 2 and the bottom plate 1 can also be conveniently allocated and used during assembly, thereby further ensuring the universal allocation type of each prefabricated component of the prefabricated assembled comprehensive pipe gallery during assembly, facilitating production and statistics, further improving the production efficiency and reducing the cost.

Further, as an embodiment of the present invention, a first standard joint 16 is disposed between the third vertical plate 203 and the first vertical plate 104, expansion joints 15 are respectively formed between two ends of the first standard joint 16 and the third vertical plate 203 and the first vertical plate 104, a second standard joint 17 is also disposed between the fourth vertical plate 204 and the second vertical plate 105, and expansion joints 15 are respectively formed between two ends of the second standard joint 17 and the fourth vertical plate 204 and the second vertical plate 105.

This setting makes when the right side sets up two sections first curb plate 3 between bottom plate 1 with roof 2, and the left side sets up two sections second curb plate 4 between bottom plate 1 with roof 2, there is great clearance between third riser 203 and first riser 104, simultaneously, also there is great clearance between fourth riser 204 and second riser 105, through first standard festival 16, the second standard festival 17 that sets up, can reduce greatly the height of the expansion joint that riser tip formed between bottom plate 1 and roof 2, further improve the efficiency of construction. When first standard festival 16, second standard festival 17 were assembled, through setting up the interlinkage bolt with first standard festival 16, second standard festival 17 and first curb plate 3 or second curb plate 4 threaded connection, after the expansion joint construction was accomplished, got rid of connecting bolt, it is sealed to the cavity encapsulating that is used for fixed connection bolt.

Preferably, the number of the first standard knots 16 is multiple, the number of the second standard knots 17 is the same as the number of the first standard knots 16, and the height of the position of the expansion joint 15 formed at the upper end and the lower end of the second standard knot 17 is equal to the height of the position of the expansion joint 15 formed at the two ends of the first standard knot 16.

This arrangement facilitates improved universal compatibility of standard knots.

The installation method of the prefabricated assembled comprehensive pipe gallery is basically the same as that in the embodiment 1; only ST9a was added before ST 9:

ST9a: constructing and sealing the expansion joint 15;

namely, the mounting method of the prefabricated assembled comprehensive pipe gallery comprises the following steps:

ST 5: mounting the prefabricated pipe joints of the comprehensive pipe gallery;

ST 6: installing a plugging device;

ST 7: pouring, curing and maintaining the waterproof sealing element;

ST 8: assembling prefabricated pipe joints of a pipe gallery;

ST9a: constructing and sealing the expansion joint;

ST 10: and (6) backfilling the structure.

The expansion joint 15 is sealed and connected by adopting a waterproof connecting piece in pouring construction, and the sealing and connecting mode of the expansion joint 15 is the same as the pouring, curing and maintaining of the waterproof sealing piece in ST7, which is not repeated here.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The prefabricated comprehensive pipe gallery is characterized by being formed by assembling a plurality of prefabricated pipe joints, each prefabricated pipe joint comprises a bottom plate (1), a top plate (2), a first side plate (3) and a second side plate (4), the plate edges of the pipe gallery plates are abutted and enclosed into a tubular structure with a containing cavity (18), a connecting cavity (7) is formed at the joint of every two of the bottom plate (1), the top plate (2), the first side plate (3) and the second side plate (4), a connecting piece (5) and a plugging device are arranged in each connecting cavity (7), each connecting piece (5) is an elastomer waterproof sealing piece, a pouring space (6) is formed below the connecting piece (5) in each connecting cavity (7), the pouring space (6) is communicated with the containing cavity (18) through a cast-in-place opening (19), and the pouring space (6) is internally sealed and waterproof, the material of the sealing waterproof connecting piece is prepared by mixing two waterproof sealing resin materials, the waterproof sealing resin materials are liquid before pouring and form the sealing waterproof connecting piece after pouring, the connecting piece (5) and the sealing waterproof connecting piece are prepared from the same material, a plugging device and an ear plate device are arranged in the accommodating cavity (18), the plugging device is used for plugging a pouring port (19) of the connecting cavity (7), the plugging device comprises a head plate (8) and an adjusting bolt (9), the head plate (8) is a high-molecular waterproof sealing plate, the adjusting bolt (9) is hinged with the head plate (8), the adjusting bolt (9) is fixedly connected with the ear plate device by rotating the adjusting bolt (9), a glue injection hole (14) is arranged on the head plate (8) or a glue injection groove (20) is formed between the head plate (8) and a pipe gallery plate, annotate gluey hole (14) or it communicates with pouring space (6) through the injecting glue pipeline to annotate gluey groove (20), the injecting glue pipeline is the slope form and sets up, the injecting glue pipeline is from being close to the one end of pouring space (6) is the ascending structure setting of slope to the one end that is close to and holds cavity (18), the upper end of injecting glue pipeline is not higher than the height of the injecting glue hole (14) that communicates with it, connecting piece (5) are including connecting body (501) the left and right sides of connecting body (501) sets up first supporting part (502) and second supporting part (503) respectively, first supporting part (502), the lower surface of second supporting part (503) can the overlap joint at the upper end surface that lower part piping lane plate formed connecting chamber (7), and the lower extreme surface crimping that upper portion piping lane plate formed connecting chamber (7) department is in first supporting part (502), The upper surface of the second supporting part (503), the connecting body (501) comprises a first connecting part (501 a) and a second connecting part (501 b), the first connecting part (501 a) is arranged above the second connecting part (501 b), the contour width of the first connecting part (501 a) in the left-right direction is larger than the contour width of the second connecting part (501 b) in the left-right direction, the first connecting part (501 a) is in interference fit with the upper part of the connecting cavity (7), metal parts are arranged in the first supporting part (502) and/or the second supporting part (503), a downward bent outer vertical plate is arranged on the outer side of the structure of the connecting cavity (7) formed on the top plate (2), an upward bent outer vertical plate is arranged on the outer side of the structure of the connecting cavity (7) formed on the bottom plate (1), and the inner side of the outer vertical plate is tightly attached to the first side plate (3) or the second side plate (4), an expansion joint (15) is formed between an outer vertical plate on the top plate (2) and an outer vertical plate on the bottom plate (1), and the expansion joint (15) is in water-stopping sealing connection through a filling sealing waterproof connecting piece and/or a rubber water-stopping belt and/or cast-in-place concrete; the mounting method of the prefabricated comprehensive pipe rack comprises the following steps:

checking a groove of the foundation pit, eliminating loose soil, a soft soil layer and a cavity, ramming the bottom of the foundation pit twice to level and clean the foundation pit, determining the position of the pipe gallery by construction and setting-out according to design requirements, sequentially filling silt, broken stone and clay into the pipe gallery, and compacting to form a pipe gallery bottom cushion layer;

the material of the sealing waterproof connecting piece is prepared from a low-modulus two-component polyurethane material;

ST 5: mounting the prefabricated pipe joints of the comprehensive pipe gallery;

the method comprises the steps of hoisting a lower pipe gallery plate, placing connecting pieces (5) at the connecting parts of two ends of the lower pipe gallery plate after the lower pipe gallery plate is hoisted in place and fixed, overlapping a first supporting part and a second supporting part of each connecting piece (5) on the upper surface of the connecting end of the lower pipe gallery plate, then hoisting the upper pipe gallery plate to be connected above the connecting pieces (5), and connecting ends of the upper pipe gallery plate to be connected to the upper surfaces of the first supporting part and the second supporting part of the connecting pieces (5) under the self-weight action of the upper pipe gallery plate;

ST 6: installing a plugging device;

the adjusting bolt (9) comprises an adjusting nut (901) and an adjusting screw (902), the adjusting screw (902) is distributed on the upper side and the lower side of the adjusting nut (901), the adjusting nut (901) is hinged with the head plate (8) and can only be hinged and rotated relative to the head plate (8), the adjusting nut (901) can drive the adjusting screw (902) to extend out towards the two ends or stretch towards the inside of the adjusting nut when being hinged and rotated, the head plate (8) of the plugging device covers a pouring gate (19) of the connecting cavity (7), and the adjusting screw (902) is in threaded connection with lug plate devices arranged on the upper side and the lower side of the adjusting nut (901) by rotating the adjusting nut (901);

ST 7: pouring, curing and maintaining the waterproof sealing element;

pouring is carried out by adopting a manual or mechanical method, the temperature and the viscosity of the discharged material are controlled during discharging until the connecting cavity (7) is filled with the pouring material of the sealed waterproof connecting piece, and curing is carried out after pouring and curing;

ST 8: assembling prefabricated pipe joints of a pipe gallery;

ST9a: constructing and sealing the expansion joint;

ST 9: checking the sealing effect of the prefabricated comprehensive pipe gallery interface by adopting a manual method;

sequentially carrying out three water tests at the joint of the pipe gallery plate and the joint of the prefabricated pipe joints according to the interval of 10min, the interval of 20min and the interval of 30min, and if the sealing is complete, carrying out structural backfill; if the joint is seeped, the secondary pouring of the sealed waterproof connecting piece is carried out through arranging a pouring mold cavity on the outer side of the joint; if the secondary sealing is problematic, the sealed waterproof connecting piece cast in situ for the second time is dismantled, and then the sealed waterproof connecting piece is cast again;

ST 10: backfilling the structure;

wherein, adopt earlier waterproof mortar to set up twice waterproofing membrane with the concrete of the gap pouring part height between prefabricated utility tunnel and the piping lane installation space lateral wall before backfilling, the top at prefabricated utility tunnel sets up twice waterproofing membrane, and twice waterproofing membrane sets up respectively in prefabricated utility tunnel be close to the position at left and right sides both ends.

2. Prefabricated utility tunnel of assembled type according to claim 1, characterized in that the position of the expansion joint (15) is offset from the position of the connection chamber (7).

3. The prefabricated comprehensive pipe rack of claim 2, wherein the bottom plate (1) comprises a first connecting end (101), a second connecting end (102), a bottom plate main body (103), a first vertical plate (104) and a second vertical plate (105), the first connecting end (101) and the second connecting end (102) are arranged on the upper surfaces of the left end and the right end of the bottom plate main body (103), the first vertical plate (104) is arranged at the left side end of the bottom plate main body (103) and is bent upwards, and the second vertical plate (105) is arranged at the right side end of the bottom plate main body (103) and is bent upwards; similarly, the top plate (2) includes a third connecting end (201), a fourth connecting end (202), a third vertical plate (203), and a fourth vertical plate (204), the third vertical plate (203) is disposed on the outer wall on the left side of the third connecting end (201), the fourth vertical plate (204) is disposed on the outer wall on the right side of the fourth connecting end (202), the second side plate (4) is disposed between the first connecting end (101) and the third connecting end (201), the first side plate (3) is disposed between the second connecting end (102) and the fourth connecting end (202), a first expansion joint (15) is formed between the third vertical plate (203) and the first vertical plate (104), and a second expansion joint (15) is formed between the fourth vertical plate (204) and the second vertical plate (105).

4. The prefabricated comprehensive pipe rack of claim 3, wherein the horizontal elevations of the upper ends of the first vertical plate (104) and the second vertical plate (105) are equal in height; the height of the third vertical plate (203) is equal to that of the horizontal elevation at the lower end of the fourth vertical plate (204).

5. The prefabricated assembled comprehensive pipe gallery according to claim 4, wherein a first standard knot (16) is arranged between the third vertical plate (203) and the first vertical plate (104), an expansion joint (15) is formed between two ends of the first standard knot (16) and the third vertical plate (203) and the first vertical plate (104), a second standard knot (17) is also arranged between the fourth vertical plate (204) and the second vertical plate (105), and the expansion joint (15) is formed between two ends of the second standard knot (17) and the fourth vertical plate (204) and the second vertical plate (105).

6. The prefabricated utility tunnel of claim 5, wherein the number of the first standard knots (16) is equal to that of the first standard knots (16), the number of the second standard knots (17) is equal to that of the first standard knots (16), and the positions of the upper ends and the lower ends of the second standard knots (17) forming the expansion joints (15) are equal to the positions of the two ends of the first standard knots (16) forming the expansion joints (15).