CN114606981B - Method for setting deformation joint of trapezoid socket of underground municipal comprehensive pipe rack - Google Patents
Method for setting deformation joint of trapezoid socket of underground municipal comprehensive pipe rack Download PDFInfo
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- CN114606981B CN114606981B CN202210207864.5A CN202210207864A CN114606981B CN 114606981 B CN114606981 B CN 114606981B CN 202210207864 A CN202210207864 A CN 202210207864A CN 114606981 B CN114606981 B CN 114606981B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 210000001503 joint Anatomy 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 17
- 239000010410 layer Substances 0.000 description 15
- 239000004587 polysulfide sealant Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 7
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- 239000011241 protective layer Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
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- 238000002788 crimping Methods 0.000 description 1
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Classifications
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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
- E02D29/16—Arrangement or construction of joints in foundation structures
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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
-
- 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
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a method for setting deformation joints of trapezoid bellmouths of underground municipal comprehensive pipe racks, which comprises the following steps: setting a caulking plate in the formed deformation joint, wherein one end of the caulking plate exposed out of the deformation joint is plugged in a first sealing mode, and the other end of the caulking plate is plugged in a first sealing mode or a second sealing mode; the first sealing mode comprises the steps that sealing assemblies are arranged on two sides of the end part of the joint filling plate, and deformation joints are plugged through first caulking strips on the outer sides of the sealing assemblies; the second sealing mode comprises that a connecting part is arranged at the end part of the caulking plate, and the deformation joint is plugged through the clamping connection of the second caulking strip and the connecting part. Sealing assemblies on two side walls of the deformation joint are always sealed with the side walls of the deformation joint in a relatively static mode, the joint filling plate can deform along the vertical line direction of the deformation joint along with dislocation of structures on two sides of the deformation joint, the sealing assemblies are extruded, sealing connection can be kept between the sealing assemblies, and sealing of the deformation joint are always kept through the first joint filling strip.
Description
Technical Field
The invention relates to the technical field of municipal building construction, in particular to a method for setting a trapezoid socket deformation joint of an underground municipal comprehensive pipe rack.
Background
The utility tunnel is a building and accessory facilities built under the city for accommodating two or more city engineering pipelines. Through collecting various engineering pipelines such as the original ground and underground electric power, communication, fuel gas, heat supply, water supply and drainage of the city in an integrated manner and bringing the engineering pipelines into a corridor, the problems of 'aerial cobweb' of the city, reduction of road excavation, avoidance of 'road zippers' and the like can be solved. The system can realize intensive management, reduce operation cost, ensure pipeline safety and release underground space. The cost of repeated road surface repair and the maintenance cost of engineering pipelines are reduced; the integrity of the pavement and the durability of various pipelines are maintained; the contradiction between pipelines and urban greening is reduced, and the urban environment is graceful. Is an infrastructure construction direction which accords with the national green and sustainable development.
The underground comprehensive pipe rack can be said to be a 'life line' of a modern city, provides a very perfect important infrastructure for our life, ensures normal working operation of the city every day, can also have more convenient and unified implementation policies for construction and management, carries out pipelines integrated with various projects such as electric power communication and the like in a tunnel space under the ground, more conveniently provides perfect life service for residents, can fully meet the basic requirements of civilian life when put into use, has very important relieving effect for the comprehensive bearing capacity of the whole city, greatly facilitates comprehensive management and use of municipal facilities such as electric power, communication, water supply and drainage and the like, carries out unified planning and management on pipelines, greatly reduces the time wasted by working maintenance and the labor cost, and improves the working efficiency of various management functional departments.
The utility tunnel can keep the road surface complete and beautiful, because the utility tunnel is built under the ground of the city uniformly, the aesthetic property of the ground surface is not affected at all, and the pipeline built uniformly under the ground has no interference to the whole traffic and travel of residents, and the maintenance of the utility tunnel even if any fault occurs can not cause various conditions affecting the life of the residents. The cost of many times repairing on the road surface is reduced to a great extent, because the road surface is required to be intensively repaired when the traditional pipeline breaks down, the road surface can be completely maintained only in the way, and the life influence of the maintenance mode on residents is very large, so that the pipeline arrangement mode provides great convenience for the fault maintenance to a certain extent, and simultaneously provides multidirectional guarantee for the life of the residents. Meanwhile, the urban beauty is ensured to a great extent, and the method has a very positive effect on environmental greening. Even if any natural disasters occur, such as collapse of houses or damage of roads, various pipelines can be guaranteed to be intact, so that very good guarantee is provided for reconstruction work after the natural disasters, difficulty of the reconstruction work is reduced, and the construction equipment is not required for posts of the roads, inspection wells of the pipelines and the like. The system can be very conveniently used for daily management work such as laying, increasing, decreasing, maintaining and the like of various pipelines and lines, and can be used for uniformly carrying out all management work of the comprehensive pipe rack, only the maintenance and the treatment are needed at the ports, and the system does not need to carry out very various treatments, so that the underground space is effectively utilized, the urban area is saved, and the contradiction between overhead lines and greening is also reduced.
To underground municipal utility tunnel structure, in order to prevent the influence of structure differential settlement to pipe corridor durability, the utility tunnel structure needs to set up the movement joint in vertical, and movement joint structure needs to guarantee its structural wholeness and waterproof tightness in underground municipal utility tunnel compartment junction. Therefore, it is necessary to provide a method for setting deformation joints of trapezoidal bellmouth of underground municipal utility tunnel, so as to at least partially solve the problems existing in the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to at least partially solve the problems, the invention provides a method for setting deformation joints of trapezoid bellmouths of underground municipal utility tunnel, which comprises the following steps: setting a caulking plate in the formed deformation joint, wherein one end of the caulking plate exposed out of the deformation joint is plugged in a first sealing mode, and the other end of the caulking plate is plugged in a first sealing mode or a second sealing mode;
the first sealing mode comprises that sealing components are arranged on two sides of the end part of the caulking plate, and deformation joints are plugged through first caulking strips on the outer side of the sealing components;
the second sealing mode comprises that a connecting part is arranged at the end part of the caulking plate, and the deformation joint is plugged through the clamping connection of the second caulking strip and the connecting part.
Preferably, the forming of the deformation joint includes:
constructing a front pipe gallery on one side of the critical line by taking a vertical line at the deformation joint as the critical line to form a pipe gallery bell or spigot;
constructing a rear pipe gallery on the other side of the critical line, and arranging a pipe gallery socket or pipe gallery bell which is in butt joint with the front pipe gallery at the end part of the rear pipe gallery;
and forming a deformation joint between the butted pipe gallery bell mouth and the pipe gallery spigot.
Preferably, the front pipe gallery construction includes: and (3) taking the vertical line at the deformation joint as a critical line, arranging reinforcing bars and templates, fixing the pre-buried rubber water stop belt through the templates, and pouring concrete to form a pipe gallery bell mouth or a pipe gallery spigot mouth.
Preferably, the rubber water stop is connected to the deformation joint between the pipe gallery bell and the pipe gallery spigot after butt joint, the pipe gallery bell is positioned at the outer side of the pipe gallery spigot after butt joint, a water-facing slope is formed at the outer side of the pipe gallery bell, and the end part of the pipe gallery bell is exposed at the outer side of the pipe gallery spigot.
Preferably, the first sealing means further includes: two sides of the end part of the caulking plate are provided with limiting notch, one surface of the limiting notch, which is far away from the first caulking strip, is a first inclined surface, and one side of the first inclined surface, which is close to the vertical line of the deformation joint, is inclined towards the direction of the first caulking strip;
the sealing assembly is arranged in the limiting notch, and is in limiting connection among the first caulking strip, the caulking plate and the side wall of the deformation joint.
Preferably, the surface where the port of the deformation joint of the first caulking strip is connected with the sealing component is a second inclined surface, and one side, close to the vertical line of the deformation joint, of the second inclined surface is inclined to the sealing component.
Preferably, the sealing assembly comprises: the first fixing strip is arranged on the first inclined surface, one side, far away from the first inclined surface, of the first fixing strip is sequentially provided with a first limit strip, a sealing strip, a second limit strip and a second fixing strip, the first fixing strip, the second fixing strip, the first limit strip and the second limit strip are fixedly connected with the side wall of the deformation joint, one side, far away from the sealing strip, of the second limit strip is flush with the end face of the joint filling plate, the sections of the first fixing strip and the second fixing strip are right-angled triangles, the hypotenuse of the first fixing strip is in contact with the first inclined surface, and the hypotenuse of the second fixing strip is connected with the second inclined surface;
the sealing strip comprises a sealing surface and a connecting surface, wherein the sealing surface is used for being in contact with the side wall of the deformation joint, the connecting surface is used for being connected with a joint filling plate, a protruding portion is arranged in the middle of the sealing surface, a concave portion is arranged in the middle of the connecting surface, the protruding direction of the protruding portion is the same as the concave direction of the concave portion, and the sealing surface and the connecting surface are both protruded out of the side surfaces of the first limiting strip and the second limiting strip.
Preferably, the first caulking strip is connected between the port side wall of the deformation joint, the second inclined plane, the second fixing strip and the end surface of the caulking plate.
Preferably, the connecting part comprises a plurality of connecting grooves which are arranged at intervals, the connecting grooves are arranged at the end parts of the joint filling plate, two opposite side surfaces of the connecting grooves are of continuous S-shaped curved surface structures, and a plurality of bulges are arranged on the curved surface structures;
a plurality of limiting parts which are spliced with the connecting grooves are arranged on one side, close to the joint filling plate, of the second joint filling strip, and the limiting parts are in close contact with the curved surface structure;
a stress bar is arranged between two adjacent connecting grooves.
Preferably, the second caulking strip is a water-swelling rubber water stop strip.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the method for arranging the deformation joint of the trapezoid bell mouth of the underground municipal utility tunnel, when structures on two sides of the deformation joint are settled or misplaced, the sealing assemblies on the two side walls of the deformation joint are always static relative to the side walls of the deformation joint to seal, the joint filling plate deforms along with misplacement of the structures on two sides of the deformation joint, the sealing assemblies are extruded by misplacement deformation of the joint filling plate along the vertical line direction of the deformation joint, so that the sealing assemblies can be kept in sealing connection, and when deformation is generated along the direction orthogonal to the vertical line direction of the deformation joint, sealing and blocking of the deformation joint can be always kept through the first caulking strip; through to the internal installation second caulking strip of extrusion of movement joint, make its and joint filling board's connecting portion carry out the block for restriction second caulking strip position changes, in order to guarantee better sealed shutoff effect.
Other advantages, objects and features of the present invention will be in part apparent to those skilled in the art from consideration of the specification and practice of the invention as set forth in the appended claims.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic structural view of a bottom layer deformation joint in the method for setting the deformation joint of the trapezoid bell mouth of the underground municipal utility tunnel;
fig. 2 is a schematic structural diagram of a top layer deformation joint in the method for setting the deformation joint of the trapezoid bell mouth of the underground municipal utility tunnel according to the invention;
fig. 3 is a schematic structural diagram of a side deformation joint in the method for setting the deformation joint of the trapezoid bell mouth of the underground municipal utility tunnel according to the invention;
fig. 4 is a schematic structural diagram of a bottom layer deformation joint in the method for setting the deformation joint of the trapezoid bell mouth of the underground municipal pipe rack according to the invention;
fig. 5 is an enlarged schematic view of a portion a of fig. 4 in a method for setting deformation joints of trapezoidal bellmouth of an underground municipal utility tunnel according to the present invention;
FIG. 6 is a schematic view of a partially enlarged structure of FIG. 5 in a method for setting deformation joints of trapezoidal bellmouth of an underground municipal utility tunnel according to the present invention;
fig. 7 is an enlarged schematic view of a structure at B in fig. 4 in the method for setting deformation joints of trapezoidal bellmouth of the underground municipal utility tunnel according to the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 7, the invention provides a method for setting deformation joints of trapezoid bellmouth of an underground municipal utility tunnel, which comprises the following steps:
setting a caulking plate 2 in the formed deformation joint 1, wherein one end of the caulking plate 2 exposed out of the deformation joint 1 is plugged in a first sealing mode, and the other end is plugged in a first sealing mode or a second sealing mode;
the first sealing mode comprises that sealing assemblies 3 are arranged on two sides of the end part of the caulking plate 2, and the deformation joint 1 is sealed off outside the sealing assemblies 3 through a first caulking strip 4;
the second sealing mode comprises that a connecting part is arranged at the end part of the caulking plate 2, and the deformation joint 1 is blocked through the clamping connection between the second caulking strip 5 and the connecting part.
The working principle of the technical scheme is as follows: the deformation joint comprises a top deformation joint, a side deformation joint and a bottom deformation joint, wherein the exposed two ends of a joint filling plate 2 in the top deformation joint and the side deformation joint are plugged by selecting a first sealing mode, the exposed upper end of the joint filling plate 2 in the bottom deformation joint is plugged by selecting a first sealing mode, the exposed lower end of the joint filling plate 2 is plugged by selecting a second sealing mode, the joint filling plate 2 is filled in the deformation joint, a sealing assembly 3 or a connecting part is arranged at the exposed end of the joint filling plate 2 at the corresponding position in advance, and then the deformation joint is sealed and plugged by a first caulking strip 4 or a second caulking strip 5; the joint filling plate 2 can be connected with the deformation joint in a pasting mode, the sealing component 3 is fixedly arranged on the inner wall of the deformation joint, and the sealing component and the joint filling plate 2 are sealed in an extrusion embedding mode; the second caulking strip 5 is connected with the caulking plate 2 in a clamping way through a connecting part, and the second caulking strip 5 is installed at the deformation joint for plugging in an extrusion and compression joint mode.
The beneficial effects of the technical scheme are that: when the structures at the two sides of the deformation joint 1 are settled or misplaced, the sealing assemblies 3 on the two side walls of the deformation joint 1 are always static relative to the side walls of the deformation joint 1 to seal, the joint filling plate 2 can deform along with the misplacement of the structures at the two sides of the deformation joint 1, the misplacement deformation of the joint filling plate 2 along the vertical line direction of the deformation joint 1 can squeeze the sealing assemblies 3, so that the sealing assemblies can be kept in sealing connection, and when deformation is generated along the direction orthogonal to the vertical line direction of the deformation joint 1, the sealing and blocking of the deformation joint 1 can be always kept through the first caulking strip 4; through to the internal installation second caulking strip 5 of extrusion of movement joint 1, make its and joint filling board 2's connecting portion carry out the block for restriction second caulking strip 5 position changes, in order to guarantee better sealed shutoff effect.
In one embodiment, the forming of the deformation joint 1 includes:
constructing a front pipe gallery on one side of a critical line by taking a vertical line at the deformation joint 1 as the critical line to form a pipe gallery bell or spigot;
constructing a rear pipe gallery on the other side of the critical line, and arranging a pipe gallery socket or pipe gallery bell which is in butt joint with the front pipe gallery at the end part of the rear pipe gallery;
forming a deformation joint 1 between the butted pipe gallery bell mouth and the pipe gallery spigot mouth;
the construction of the front pipe gallery comprises the following steps: the vertical line at the deformation joint 1 is used as a critical line, reinforcement bars and templates are arranged, a pre-buried rubber water stop 6 is fixed through the templates, and concrete is poured to form a pipe gallery bell mouth or a pipe gallery spigot mouth;
make rubber waterstop 6 connect in the movement joint 1 between pipe gallery bellmouth after the butt joint and pipe gallery socket, pipe gallery bellmouth after the butt joint is located pipe gallery socket's outside, and pipe gallery bellmouth's outside is formed with the face of facing water slope, and pipe gallery bellmouth's tip exposes in pipe gallery socket's outside.
The working principle and the beneficial effects of the technical scheme are as follows: the vertical line at the deformation joint 1 is used as a critical line, reinforcement and a template are arranged, a rubber water stop 6 is installed at the template, the rubber water stop 6 is protected and supported during construction, the installation position of the rubber water stop 6 is checked to be accurate before concrete pouring, the fixation is firm, and garbage and sundries around the deformation joint are cleaned;
when concrete near the rubber water stop 6 at the socket joint deformation joint is poured and rammed, concrete with better workability is adopted, aggregate concentration around the rubber water stop 6 is avoided, concrete vibration at the deformation joint is enhanced, concrete vibration compaction at the upper side and the lower side of the rubber water stop 6 at the deformation joint is guaranteed, and meanwhile, the phenomenon that the water stop joint is not extruded and vibrated and the water stop is flattened during concrete pouring is guaranteed. The concrete at the lower edge of the rubber water stop 6 needs to be finer in the horizontal part, so that air bubbles in the concrete can run out from the lower part of the rubber water stop wings, and when the concrete tamping surface exceeds the plane of the rubber water stop 6, iron wires can be cut off to enable the rubber water stop 6 to be in a horizontal state;
the outward protruding water facing slope is utilized to resist underground water, the interfaces of the pipe gallery bell mouth and the pipe gallery spigot mouth positioned on the back water surface play a role in shielding, and the underground chamber can be fundamentally prevented from invading into the pipe gallery from the interfaces of the pipe gallery bell mouth and the pipe gallery spigot mouth; specifically, in this embodiment, a waterproof layer is laid on the water facing slope of the pipe gallery socket, where the waterproof layer includes a waterproof base layer, a local reinforcing layer and a mortar protective layer sequentially disposed from inside to outside, a layer of cross laminated film waterproof coiled material with a thickness of about 1.5mm is laid first to serve as waterproof base, a layer of cross laminated film waterproof coiled material is laid again to serve as local reinforcing layer, a waterproof layer is mainly laid at weak positions such as corners, local anti-leakage reinforcement is performed on weak positions such as corners, and a mortar protective layer is coated on the outer sides of the waterproof base layer and the local reinforcing layer to perform reinforcement protection.
In one embodiment, the first sealing means further comprises: the two sides of the end part of the caulking plate 2 are provided with limiting notches 210, one surface of the limiting notch 210, which is far away from the first caulking strip 4, is a first inclined surface, and one side of the first inclined surface, which is close to the vertical line of the deformation joint 1, is inclined towards the direction of the first caulking strip 4;
the sealing component 3 is arranged in the limit notch 210 and is in limit connection among the first caulking strip 4, the caulking plate 2 and the side wall of the deformation joint 1;
the surface where the port of the deformation joint 1 of the first caulking strip 4 is connected with the sealing component 3 is provided with a second inclined surface 110, and one side of the second inclined surface 110, which is close to the vertical line of the deformation joint 1, is inclined to the sealing component 3.
The working principle and the beneficial effects of the technical scheme are as follows: the limiting notch 210 is used for installing the sealing assembly 3, and the arrangement of the first inclined plane can increase the crimping effect of the sealing assembly 3 on the caulking plate 2, so that the caulking plate can be more densely filled in the deformation joint; the second inclined plane 110 is connected with the sealing component 3, the first caulking strip 4 is made of a double-component polysulfide sealant, the polysulfide sealant is smeared at the position to be plugged of the deformation joint, then a polyethylene foam rod is lightly put to enable the polysulfide sealant to be tightly abutted against the polysulfide sealant, the polysulfide sealant is lightly pressed into the joint for 2mm-3mm, the filled polysulfide sealant in the joint is ensured to be full, compact and fill up the joint edge, and due to the self fluidity of the polysulfide sealant, the polysulfide sealant can smoothly flow to one side of the sealing component 3 and the caulking plate 2 along the second inclined plane 110 when being smeared and pressed in, so that the filled polysulfide sealant is more compact and full, the sealing component 3, the caulking plate 2 and the side wall of the deformation joint can be fully bonded together, and the first caulking strip 4 is formed, and has good sealing performance and deformation capability.
In one embodiment, the seal assembly 3 comprises: the first fixing strip 310 is arranged on the first inclined plane, one side, far away from the first inclined plane, of the first fixing strip 310 is sequentially provided with a first limit strip 320, a sealing strip 330, a second limit strip 340 and a second fixing strip 350, the first fixing strip 310, the second fixing strip 350, the first limit strip 320 and the second limit strip 340 are fixedly connected with the side wall of the deformation joint 1, one side, far away from the sealing strip 330, of the second limit strip 340 is flush with the end face of the joint filling plate 2, the sections of the first fixing strip 310 and the second fixing strip 350 are right-angled triangles, the inclined edges of the first fixing strip 310 are in contact with the first inclined plane, and the inclined edges of the second fixing strip 350 are connected with the second inclined plane 110;
the sealing strip 330 comprises a sealing surface 331 and a connecting surface 332, the sealing surface 331 is used for contacting with the side wall of the deformation joint 1, the connecting surface 332 is used for being connected with the joint filling plate 2, a protruding part is arranged in the middle of the sealing surface 331, a concave part is arranged in the middle of the connecting surface 332, the protruding direction of the protruding part is the same as the concave direction of the concave part, and the sealing surface 331 and the connecting surface 332 are both protruding out of the side surfaces of the first limiting strip 320 and the second limiting strip 340;
the first caulking strip 4 is connected between the port side wall of the deformation joint 1, the second inclined plane 110, the second fixing strip 350 and the end surface of the caulking plate 2.
The working principle and the beneficial effects of the technical scheme are as follows: the first fixing strip 310, the second fixing strip 350, the first limiting strip 320 and the second limiting strip 340 are fixedly connected with the side wall of the deformation joint 1, when different settlement or dislocation occurs to the structures at two sides of the deformation joint 1, the two fixing strips and the two limiting strips move simultaneously with the structures at two sides of the deformation joint 1, the sealing strip 330 pressed between the two limiting strips also moves along the two limiting strips in the vertical direction of the deformation joint 1, the concave part arranged on the connecting surface 332 of the sealing strip 330 is formed by two symmetrical inclined surfaces, the concave part is extruded and embedded into the joint sealing plate 2, when different settlement or dislocation occurs to the structures at two sides of the deformation joint 1, the concave part embedded into the joint sealing plate 2 is close to the force in the central direction of the sealing strip 330, the inclined surface of the concave part has a trend of moving towards the convex part, and when different torsional deformation occurs to the two sides of the joint sealing plate 2, the concave part is at least influenced by the inclined surfaces at least one inclined surface of the concave part, and the sealing strip 330 can be further contacted with the sealing strip 1 when the two inclined surfaces are deformed, and the sealing strip 330 can be further deformed, and the sealing assembly is deformed; the protrusion increases the ability of the sealing strip 330 to elastically deform, thereby increasing its sealing performance; the inclined edges of the second fixing strips 350 are connected with the second inclined surfaces 110, so that each corner is filled with polysulfide sealant more easily, the formed first caulking strips 4 are more compact, and the first caulking strips 4 can bond the side walls of the deformation joint 1, the sealing assembly 3 and the caulking plate 2 more firmly.
In one embodiment, the connecting portion includes a plurality of connecting grooves 7 disposed at intervals, the connecting grooves 7 are disposed at the end of the caulking plate 2, two opposite sides of the connecting grooves 7 are continuous S-shaped curved structures 710, and a plurality of protrusions 711 are disposed on the curved structures 710;
a plurality of limiting parts 510 which are spliced with the connecting grooves 7 are arranged on one side, close to the joint filling plate 2, of the second joint filling strip 5, and the limiting parts 510 are in close contact with the curved surface structures 710;
a stress strip 8 is arranged between two adjacent connecting grooves 7;
the second caulking strip 5 is a water-swelling rubber water stop strip.
The working principle and the beneficial effects of the technical scheme are as follows: the second caulking strip 5 adopts a water-swelling rubber water stop strip, before the second caulking strip 5 is installed, a stress strip 8 is firstly placed between two adjacent connecting grooves 7, then a limiting part 510 is formed on one side of the second caulking strip 5, then when the second caulking strip 5 is installed, the limiting part 510 is inserted into the corresponding connecting groove 7, a curved surface structure 710 in the connecting groove 7 and the limiting part 510 are fully contacted and extruded, so that the two can be mutually embedded and connected, the plurality of protrusions 711 further increase the connection strength of the two, the stress strip 8 is used for increasing the strength between the two connecting grooves 7, the limiting part 510 is limited, and therefore, when the structures on two sides of the deformation joint 1 are subsided or misplaced, the second caulking strip 5 can be prevented from falling out from the deformation joint 1; after the second caulking strip 5 encounters water, the limiting part 510 is more tightly connected with the curved surface structure 710 inside the connecting groove 7 after being expanded by the water, so that the connecting part connected with the limiting part is extruded, the connecting part is more tightly connected with the side wall of the deformation joint 1, the effect that the connecting part and the limiting part 510 can realize the first layer of sealing and waterproofing can be realized when the second caulking strip 5 encounters water, and secondly, the second caulking strip 5 can also expand after being expanded by itself, so that the second caulking strip is more tightly connected with the deformation joint 1, and the second layer of sealing and waterproofing can be realized; after the second caulking strip 5 swells in water, the second caulking strip expands in all directions, the limiting part 510 is tightly connected with the connecting part, the risk that the second caulking strip 5 is separated from the deformation joint 1 due to expansion transition in the direction away from the connecting part is also prevented, and although other waterproof structures are arranged at the outer side of the pipe gallery bell and spigot connection, if the second caulking strip 5 swells in water after long time, the swelling is usually larger towards the side without the obstruction of force, and the risk that the second caulking strip 5 is separated from the deformation joint 1 after swelling is caused; therefore, the connecting portion and the limiting portion 510 are provided, so that the second caulking strip 5 can be stably connected with the caulking plate 2, and meanwhile, the waterproof sealing performance of the second caulking strip 5 and the caulking plate can be improved, after the second caulking strip 5 is expanded, the second caulking strip can also expand towards one side of the connecting portion, and therefore the caulking plate 2 is extruded, and the sealing performance of the deformation joint 1 is improved.
In one embodiment, when the first caulking strip 4 seals the deformation joint 1, the method includes detecting the packing compactness of the first caulking strip 4, which specifically includes:
step 1, setting a plurality of detection points in the length direction of a first caulking strip 4, and transmitting sound waves to each detection point;
step 2, receiving time domain signals of sound waves returned by the detection points by adopting a plurality of sound wave receiving modules;
step 3, taking time delay into consideration, superposing and averaging time domain signals, and obtaining the autocorrelation relation of signals received by each sound wave receiving module and the autocorrelation relation of a target signal required finally from the frequency domain signals of the plurality of sound wave receiving modules;
wherein each acoustic wave receiving module receives the autocorrelation relation of the signalThe method comprises the following steps:
autocorrelation relation of target signal finally neededThe method comprises the following steps:
wherein,for the total number of sound wave receiving modules +.>For the time domain +.>The frequency domain signal values to which the signal values correspond,for the time domain +.>Frequency domain signal value corresponding to signal value, +.>And->Respectively the serial numbers of different sound wave receiving modules, < >>Sequence numbers of time-domain signals，/>Is frequency domain signal sequence number and is in one-to-one correspondence with a plurality of sound wave receiving modules>Is the total length of the frequency domain signal sequence;
step 4, obtaining a frequency domain signal filtering weight vector sequence of the time delay superposition signal after the fast Fourier transform through two formulas in the step 3;
step 5, weighting by the filtering weight vector sequence to obtain a filtered frequency domain signal;
step 6, obtaining the amplitude of the peak signal of the reflection frequency band according to the filtered frequency domain signalAnd the amplitude of the thickness band peak signal +.>And calculates a detection value +.f of the packing density at the detection point of the first caulking strip 4>：
Step 7, judging the detection valueIf the detection value is greater than the detection standard value, the packing density at the detection point is not in accordance with the standard, and if the detection value is less than or equal to the detection standard value, the packing density at the detection point is in accordance with the standard.
The working principle and the beneficial effects of the technical scheme are as follows: the time domain signals received by the plurality of acoustic wave receiving modules comprise noise signals in the environment, and the steps 3, 4 and 5 are equivalent to noise reduction processing of the signals, namely, noise signals in the environment are inputWeakening, then solving the amplitude of the reflection frequency band peak signal and the amplitude of the thickness frequency band peak signal in the filtered frequency domain signal as the judgment standard of compactness detection, wherein the compactness detection is mainly used for judging the compactness according to the reduction of amplitude energy in the frequency domain signalThe smaller the value of (2) is, the better the compactness is considered, a plurality of detection points are arranged in the length direction of the first caulking strip 4, and the whole compactness of the first caulking strip 4 is judged by referring to the detection results of the plurality of detection points, so that a more accurate judgment result is obtained; by adopting the method to detect the compactness of the first caulking strip 4, the sealing waterproof property at the deformation joint 1 is effectively and accurately checked, the construction quality of the deformation joint 1 is ensured, if the compactness of a certain section of the first caulking strip 4 is detected to be out of the standard, the section of the first caulking strip 4 can be cut off and filled and smeared again, the filling uniformity and the compactness of the first caulking strip 4 are ensured, and the operation is convenient.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. The utility model provides a municipal utility tunnel trapezoidal bellmouth movement joint setting method which characterized in that includes:
a caulking plate (2) is arranged in the formed deformation joint (1), one end of the caulking plate (2) exposed out of the deformation joint (1) is plugged in a first sealing mode, and the other end of the caulking plate is plugged in a first sealing mode or a second sealing mode;
the first sealing mode comprises that sealing assemblies (3) are arranged on two sides of the end part of the caulking plate (2), and deformation joints (1) are plugged through first caulking strips (4) on the outer side of the sealing assemblies (3);
the second sealing mode comprises the steps that a connecting part is arranged at the end part of the caulking plate (2), and the deformation joint (1) is blocked through the clamping connection between the second caulking strip (5) and the connecting part;
the first sealing mode further comprises: two sides of the end part of the caulking plate (2) are provided with limiting notch (210), one surface of the limiting notch (210) far away from the first caulking strip (4) is a first inclined surface, and one side of the first inclined surface close to the vertical line of the deformation joint (1) is inclined towards the direction of the first caulking strip (4);
the sealing assembly (3) is arranged in the limiting notch (210) and is in limiting connection among the first caulking strip (4), the caulking plate (2) and the side wall of the deformation joint (1);
the surface, which is used for connecting the port of the deformation joint (1) of the first caulking strip (4) with the sealing component (3), is provided with a second inclined surface (110), and one side, close to the perpendicular line of the deformation joint (1), of the second inclined surface (110) is inclined to the sealing component (3);
the seal assembly (3) comprises: the first fixing strip (310), the first fixing strip (310) is arranged on the first inclined plane, a first limit strip (320), a sealing strip (330), a second limit strip (340) and a second fixing strip (350) are sequentially arranged on one side, far away from the first inclined plane, of the first fixing strip (310), the second fixing strip (350), the first limit strip (320) and the second limit strip (340) are fixedly connected with the side wall of the deformation joint (1), one side, far away from the sealing strip (330), of the second limit strip (340) is flush with the end face of the joint filling plate (2), the cross sections of the first fixing strip (310) and the second fixing strip (350) are right-angled triangles, the oblique side of the first fixing strip (310) is in contact with the first inclined plane, and the oblique side of the second fixing strip (350) is connected with the second inclined plane (110);
the sealing strip (330) comprises a sealing surface (331) and a connecting surface (332), the sealing surface (331) is used for being in contact with the side wall of the deformation joint (1), the connecting surface (332) is used for being connected with a joint filling plate (2), a protruding part is arranged in the middle of the sealing surface (331), a concave part is arranged in the middle of the connecting surface (332), the protruding direction of the protruding part is the same as the concave direction of the concave part, and the sealing surface (331) and the connecting surface (332) are both protruding out of the side surfaces of the first limiting strip (320) and the second limiting strip (340);
the first caulking strip (4) is connected among the port side wall of the deformation joint (1), the second inclined plane (110), the second fixing strip (350) and the end face of the caulking plate (2).
2. The method for setting deformation joints of trapezoidal sockets of underground municipal utility tunnel according to claim 1, wherein the forming of the deformation joints (1) comprises:
constructing a front pipe gallery on one side of a critical line by taking a vertical line at the deformation joint (1) as the critical line to form a pipe gallery bell mouth or a pipe gallery spigot mouth;
constructing a rear pipe gallery on the other side of the critical line, and arranging a pipe gallery socket or pipe gallery bell which is in butt joint with the front pipe gallery at the end part of the rear pipe gallery;
and forming a deformation joint (1) between the butted pipe gallery bell mouth and the pipe gallery spigot mouth.
3. The method for setting a deformation joint of a trapezoid socket of an underground municipal utility tunnel according to claim 2, wherein the construction of the front pipe tunnel comprises: and (3) taking the vertical line at the deformation joint (1) as a critical line, arranging reinforcing bars and templates, fixing the pre-buried rubber water stop (6) through the templates, and pouring concrete to form a pipe gallery bell mouth or a pipe gallery spigot mouth.
4. The method for setting a deformation joint of a trapezoid bell mouth of an underground municipal pipe rack according to claim 3, wherein a rubber water stop (6) is connected to the deformation joint (1) between the butted pipe rack bell mouth and the pipe rack spigot mouth, the butted pipe rack bell mouth is positioned at the outer side of the pipe rack spigot mouth, a water-facing slope is formed at the outer side of the pipe rack bell mouth, and the end part of the pipe rack bell mouth is exposed at the outer side of the pipe rack spigot mouth.
5. The method for setting the deformation joint of the trapezoid socket of the underground municipal pipe rack according to claim 1, wherein the connecting part comprises a plurality of connecting grooves (7) which are arranged at intervals, the connecting grooves (7) are formed in the end parts of the joint filling plate (2), two opposite side surfaces of the connecting grooves (7) are continuous S-shaped curved surface structures (710), and a plurality of protrusions (711) are arranged on the curved surface structures (710);
a plurality of limiting parts (510) which are spliced with the connecting grooves (7) are arranged on one side, close to the joint filling plate (2), of the second joint filling strip (5), and the limiting parts (510) are in close contact with the curved surface structure (710);
a stress strip (8) is arranged between two adjacent connecting grooves (7).
6. The method for setting the deformation joint of the trapezoid socket of the underground municipal utility tunnel according to claim 1, wherein the second caulking strip (5) is a water-swelling rubber water stop strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210207864.5A CN114606981B (en) | 2022-03-04 | 2022-03-04 | Method for setting deformation joint of trapezoid socket of underground municipal comprehensive pipe rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210207864.5A CN114606981B (en) | 2022-03-04 | 2022-03-04 | Method for setting deformation joint of trapezoid socket of underground municipal comprehensive pipe rack |
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| CN114606981A CN114606981A (en) | 2022-06-10 |
| CN114606981B true CN114606981B (en) | 2024-01-30 |
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| CN202210207864.5A Active CN114606981B (en) | 2022-03-04 | 2022-03-04 | Method for setting deformation joint of trapezoid socket of underground municipal comprehensive pipe rack |
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| WO2008058311A1 (en) * | 2006-11-14 | 2008-05-22 | Srb Constructions Technologies Pty Ltd | Moulded panel joint caulking means |
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| CN114606981A (en) | 2022-06-10 |
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