CN111764435A - Prefabricated grout of concrete seals assembled inspection shaft - Google Patents
Prefabricated grout of concrete seals assembled inspection shaft Download PDFInfo
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- CN111764435A CN111764435A CN202010590629.1A CN202010590629A CN111764435A CN 111764435 A CN111764435 A CN 111764435A CN 202010590629 A CN202010590629 A CN 202010590629A CN 111764435 A CN111764435 A CN 111764435A
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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
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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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
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
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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
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1454—Non-circular covers, e.g. hexagonal, elliptic
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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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Abstract
One or more embodiments of this description provide a concrete prefabrication grout seal assembly type inspection shaft, bottom plate, side riser and apron, its characterized in that: a bottom flange is arranged on the periphery of the top of the bottom plate, and a bottom inner chamfer is arranged on the inner side of the bottom flange; the side vertical plate is positioned above the bottom plate, a bottom groove is formed in the lower end of the side vertical plate, and a grouting through hole is formed in the lower side corner of the side vertical plate; the cover plate is positioned above the side vertical plate. The inspection well is integrally divided into the bottom plate, the side vertical plates and the cover plate, the independent concrete prefabricated parts are connected by the embedding grooves and the connecting structures which are matched with each other, and gaps are reserved in the middle of the embedding concave-convex groove structures to form grouting channels, so that the parts can form a net-shaped connecting structure by grouting through the grouting channels to be connected into a whole, and the stability and the sealing performance of the integral structure of the inspection well are guaranteed.
Description
Technical Field
One or more embodiments of this description relate to concrete inspection shaft technical field, especially relate to a concrete precast grouting seals assembled inspection shaft.
Background
The inspection well is used for maintaining urban underground infrastructure, such as power supply, water supply, drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like, is convenient to install, is generally arranged at a pipeline intersection, a turning part, a pipe diameter or gradient changing part and a straight pipe section at a certain distance, is convenient for regularly inspecting an attached structure, is generally made of concrete in order to keep a stable structure, is manufactured by integrally pouring concrete by adopting corresponding templates, and has larger integral volume and weight.
The applicant finds that the size of the existing large-size inspection well is generally more than 2.5 meters, the size and the self weight are limited, the whole inspection well is difficult to transport, the weight of the inspection well with an integral structure is very large, large-size hoisting equipment is needed during hoisting and installation, construction is difficult in places with limited field equipment, and the flexibility of use and installation is low, so that the large-size inspection well is generally in a split assembly type structure, but the existing concrete inspection well with the assembly type structure is usually only simply assembled by a plurality of concrete slabs, the connection stability between the concrete inspection wells is low, the outer part of the existing concrete inspection well is easy to deform and shift due to extrusion after being buried, the sealing is difficult to maintain, the connection part of the existing concrete inspection well is generally sealed by a sealing ring structure, the existing inspection well is easy to corrode and.
Disclosure of Invention
In view of the above, an object of one or more embodiments of the present disclosure is to provide a concrete precast grouting sealing fabricated manhole, so as to solve the problem.
In view of the above, one or more embodiments of the present specification provide a concrete precast grouting seal fabricated manhole, which includes a bottom plate, a side vertical plate, and a cover plate, and is characterized in that:
a bottom flange is arranged on the periphery of the top of the bottom plate, a bottom inner chamfer is arranged on the inner side of the bottom flange, an embedded nut is arranged in the middle of the bottom inner chamfer, and a reserved steel bar is arranged in the middle of the bottom flange;
the side vertical plate is positioned above the bottom plate, the lower end of the side vertical plate is provided with a bottom groove, vertical plate inner chamfers are symmetrically arranged on the left side and the right side of the side vertical plate, interface concave-convex grooves are arranged at the left end and the right end of the side vertical plate, top grooves are arranged on the top end surface of the side vertical plate, and grouting through holes are arranged at the lower side corners of the side vertical plate;
the cover plate is located above the side vertical plates, top flanges are arranged on the periphery of the bottom surface of the cover plate, cover plate reserved holes are formed in the inner side of the cover plate, top screw holes are formed in the top surface of the cover plate, and grout outlet holes are formed in the corners of the top surface of the cover plate.
In some alternative embodiments, the bottom plate and the cover plate are of rectangular, pentagonal or other polygonal structures with the same size.
In some optional embodiments, the vertical side surface of the bottom inner chamfer is perpendicular to the top surface of the bottom plate, the vertical side surface of the bottom inner chamfer is attached to the inner side surface of the side vertical plate, and the inner side surface of the side vertical plate is perpendicular to the bottom surface of the cover plate.
In some optional embodiments, the interface concave-convex grooves are matched in size, the side vertical plates can be connected in a splicing mode through the interface concave-convex grooves, reserved gaps between the interface concave-convex grooves can form grouting channels, the side vertical plates can be connected into a whole through the grouting channels in a grouting mode, and the vertical side face of the inner chamfer of each vertical plate is attached to the inner side face of the bottom plate.
In some optional embodiments, the top of the rebar is connected by a ring-shaped structural rebar, and the rebar and the bottom groove are mutually matched in size.
In some optional embodiments, the bottom groove and the bottom flange are mutually matched in size, the side vertical plate can be connected with the bottom plate through the bottom flange and the bottom groove in a split mode, a reserved gap between the bottom groove and the bottom flange forms a grouting channel, and the side vertical plate and the bottom plate can be connected into a whole through grouting of the grouting channel.
In some optional embodiments, the top groove and the top flange are mutually matched in size, the cover plate can be connected with the side vertical plate through the top flange and the split connection between the top groove and the side vertical plate, a reserved gap between the top groove and the top flange forms a grouting channel, and the side vertical plate and the cover plate can be connected into a whole through grouting of the grouting channel.
In some optional embodiments, the outer sides and the lower sides of the two ends of the side vertical plates are provided with reserved screw holes, and the horizontal center lines of the reserved screw holes and the horizontal center line of the embedded nut are located on the same straight line.
In some optional embodiments, a pipeline reserved hole is formed in the middle of the side vertical plate, the pipeline reserved hole is circular, square, arched or irregular, hoisting connection screw holes which correspond to the top screw holes in a one-to-one mode are formed in the upper end of the side vertical plate, a reserved ladder mounting hole is formed in one of the side vertical plates, and the reserved ladder mounting hole is aligned to the cover plate reserved hole.
In some optional embodiments, the grouting through hole is communicated with the grout outlet through the grouting channel, and the joints of the bottom plate, the side vertical plate and the cover plate are provided with glue applying seams.
As can be seen from the above description, in one or more embodiments of the present disclosure, a prefabricated concrete grouting sealed assembly manhole is provided, which is divided into a plurality of independent prefabricated concrete members including a bottom plate, a side plate and a cover plate, so as to reduce the transportation volume and weight of the whole manhole, and the independent prefabricated members are also convenient to manufacture, transport and hoist, and at the same time, mutually matching embedded grooves and connecting structures are provided between each bottom plate, side plate and cover plate of the manhole, so as to facilitate the mutual splicing and connection between the bottom plate, side plate and cover plate, and a gap is reserved in the middle of the embedded groove and tongue structure to form a grouting channel, so that the bottom plate, side plate and cover plate can form a mesh connecting structure through grouting channel to be connected into a whole, thereby ensuring structural stability and sealing performance when the manhole is assembled, and the bottom plate, the side plate and the cover plate can be connected into a whole through grouting channel, The side riser and the apron correspond respectively and are provided with reserved reinforcing bar and screw connection structure, can improve the steadiness of its concatenation through penetrating the bolt with PMKD, side riser and apron when carrying out the concatenation work, and independent prefab passes through the prefabricated shaping of pin-connected panel technology on the fixed die bench when making simultaneously, and when the whole required dimensional change of inspection shaft, only need adjust the prefabricated plate the side forms can, do not receive the height restriction production safety.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is an exploded view of one or more embodiments of the present disclosure;
FIG. 2 is a schematic front view of one or more embodiments of the present disclosure;
FIG. 3 is a schematic diagram of the internal structure of one or more embodiments of the present disclosure;
FIG. 4 is a schematic top view of a coverless plate according to one or more embodiments of the disclosure;
FIG. 5 is a schematic diagram of a top view of one or more embodiments of the disclosure;
FIG. 6 is a schematic cross-sectional view A-A of FIG. 5 in accordance with one or more embodiments of the present disclosure;
FIG. 7 is a schematic structural diagram of a base plate according to one or more embodiments of the present disclosure;
FIG. 8 is a schematic structural view of a side riser according to one or more embodiments of the present disclosure;
FIG. 9 is a schematic view of the bottom structure of a side riser according to one or more embodiments of the present disclosure;
FIG. 10 is a schematic view of a cover plate according to one or more embodiments of the present disclosure;
FIG. 11 is a schematic structural view of the post-grouted interior according to one or more embodiments of the present disclosure;
fig. 12 is a schematic view of the overall structure of a grout passage according to one or more embodiments of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
One or more embodiments of this description, a concrete prefabrication grout seal assembly type inspection shaft, includes bottom plate 1, side riser 2 and apron 3, its characterized in that:
a bottom flange 11 is arranged on the periphery of the top of the bottom plate 1, a bottom inner chamfer 12 is arranged on the inner side of the bottom flange 11, an embedded nut 13 is arranged in the middle of the bottom inner chamfer 12, and a reserved steel bar 14 is arranged in the middle of the bottom flange 11;
the side vertical plate 2 is positioned above the bottom plate 1, the lower end of the side vertical plate 2 is provided with a bottom groove 21, the left side and the right side of the side vertical plate 2 are symmetrically provided with vertical plate inner chamfers 23, the left end and the right end of the side vertical plate 2 are both provided with interface concave-convex grooves 24, the top end surface of the side vertical plate 2 is both provided with a top groove 22, and the lower side corner of the side vertical plate 2 is provided with a grouting through hole 25;
the cover plate 3 is located above the side vertical plate 2, a top flange 31 is arranged around the bottom surface of the cover plate 3, a cover plate reserved hole 32 is arranged on the inner side of the cover plate 3, a top screw hole 33 is arranged on the top surface of the cover plate 3, and a pulp outlet 34 is arranged at the corner of the top surface of the cover plate 3.
Referring to fig. 1 to 10, as an embodiment of the present invention, a prefabricated concrete grouting sealing assembly manhole includes a bottom plate 1, a side vertical plate 2 and a cover plate 3, and is characterized in that: a bottom flange 11 is arranged on the periphery of the top of the bottom plate 1, a bottom inner chamfer 12 is arranged on the inner side of the bottom flange 11, an embedded nut 13 is arranged in the middle of the bottom inner chamfer 12, and a reserved steel bar 14 is arranged in the middle of the bottom flange 11; the side vertical plate 2 is positioned above the bottom plate 1, the lower end of the side vertical plate 2 is provided with a bottom groove 21, the left side and the right side of the side vertical plate 2 are symmetrically provided with vertical plate inner chamfers 23, the left end and the right end of the side vertical plate 2 are both provided with interface concave-convex grooves 24, the top end surface of the side vertical plate 2 is both provided with a top groove 22, and the lower side corner of the side vertical plate 2 is provided with a grouting through hole 25; apron 3 is located the top of side riser 2, the bottom surface of apron 3 is provided with top flange 31 all around, the inboard of apron 3 is provided with apron reservation hole 32, the top surface of apron 3 is provided with top screw 33, the top surface edge of apron 3 is provided with out thick liquid hole 34, the inspection shaft wholly divide into bottom plate 1, several independent structures of side riser 2 and apron 3, independently watering preparation and transportation can be carried out to every independent structure, greatly reduced transportation volume and transportation weight, and all be provided with corresponding gomphosis connection seal structure between every independent structure, be convenient for carry out the built-up fitting and use, simultaneously because the components of a whole that can function independently structure hoist and mount required lifting by crane weight when installing also littleer, need not large-scale hoisting equipment, the use place is more nimble.
Referring to fig. 1 to 10, optionally, the inspection well is based on a bottom plate 1, then a side vertical plate 2 is erected above the inspection well, and finally a cover plate 3 is covered on the side vertical plate 2 to form the inspection well, the bottom plate 1 and the cover plate 3 are in a rectangular, pentagonal or other polygonal structure with the same size, each side of the bottom plate 1 is provided with the side vertical plate 2 so as to form a barrel-shaped structure around the side vertical plate, the facing surface of each side vertical plate 2 can be connected with a pipeline or a ladder for more flexible use, the vertical side surface of the bottom inner chamfer 12 is perpendicular to the top surface of the bottom plate 1, the vertical side surface of the bottom inner chamfer 12 is attached to the inner side surface of the side vertical plate 2, the inner side surface of the side vertical plate 2 is perpendicular to the bottom surface of the cover plate 3 to keep the structure stable, and the bottom inner chamfer 12 can prop against the bottom of the side vertical plate 2 to prevent the side vertical plate 2 from moving inwards and deforming due to pressure applied to, the larger the external pressure can be ensured, the more stable and tighter the connection between the bottom plate 1 and the side vertical plate 2, the better the sealing performance, and the improvement of the overall structural stability of the inspection well is facilitated.
Referring to fig. 1 to 12, optionally, the inspection well is formed by assembling a bottom plate 1, a side vertical plate 2 and a cover plate 3, wherein a concave-convex groove connecting structure is arranged between the bottom plate 1, the side vertical plate 2 and the cover plate 3, and a vertical plate inner chamfer 23 is correspondingly arranged on the inner side of the side vertical plate 2, and the vertical side of the vertical plate inner chamfer 23 can be attached to the inner side of the bottom plate 1 provided with the vertical plate inner chamfer 23, so that the vertical plates are supported by the vertical plate inner chamfer 23 to keep the structure stable, thereby preventing the side vertical plate 2 from moving inwards and deforming and shifting due to applying pressure to the side vertical plate 2 after filling soil on the outer side, ensuring that the connection between the side vertical plates 2 is more stable and tighter as the external pressure is higher, the sealing performance is better, the overall structural stability of the inspection well is improved, the sizes of the interface grooves 24 are matched with each other, and the side vertical plates 2 can be connected by the, the reserved space between the interface concave-convex groove 24 can constitute a grouting channel 4, the side plates 2 can be connected into a whole through the grouting channel 4, the bottom grooves 21 and the bottom flanges 11 are mutually matched in size, the side plates 2 can be connected with the bottom flanges 11 and the bottom plates 1 through the bottom grooves 21 and the bottom flanges 11 in a splicing manner, the reserved space between the bottom grooves 21 and the bottom flanges 11 forms the grouting channel 4, the side plates 2 and the bottom plates 1 can be connected into a whole through the grouting channel 4 in a grouting manner, the top grooves 22 and the top flanges 31 are mutually matched in size, the cover plate 3 can be connected with the side plates 2 through the top flanges 31 and the top grooves 22, the reserved space between the top grooves 22 and the top flanges 31 forms the grouting channel 4, the side plates 2 and the cover plate 3 can be connected into a whole through the grouting channel 4, the bottom plates 1, The network structure that can form complete intercommunication after the grout channel 4 that sets up between side riser 2 and the apron 3 is in the milk, fills the reservation space between bottom plate 1, side riser 2 and the apron 3 completely, prevents to produce the joint line and leads to the infiltration, is difficult for receiving the corrosion damage after the grout material solidifies moreover, and life is longer to improve steadiness and the leakproofness of being connected between side riser 2 and the bottom plate 1.
Referring to fig. 1 to 12, optionally, a plurality of connecting and fixing structures are provided between the bottom plate 1 and the side vertical plate 2 of the inspection well, the top of the reserved steel bars 14 provided on the bottom plate 1 are connected by the ring-shaped steel bars to form a steel bar net structure, and the reserved steel bars 14 and the bottom grooves 21 are mutually matched in size, when the side vertical plate 2 is installed, the reserved steel bars 14 can be embedded into the bottom grooves 21 to position and fix the side vertical plate 2, and the reserved screw holes 26 at the bottom side of the side vertical plate 2 can penetrate through the steel bar net structure formed by the reserved steel bars 14 to be connected with the embedded nuts 13 to integrally connect the steel bar skeleton structure, so that the steel bar skeleton of the bottom plate 1 and the steel bar skeleton of the side vertical plate 2 are connected into a whole by bolts, thereby facilitating the fixing of the side vertical plate 2 and the bottom plate 1 when the inspection well is installed and spliced, and preventing the side vertical plate 2, install more accurately convenient, the structure is also more firm, the both ends outside and the downside of side riser 2 all are provided with reservation screw 26 simultaneously, the horizontal central line of reserving screw 26 and the horizontal central line of embedded nut 13 are located same straight line, during the installation amalgamation inspection shaft, can be through penetrating the bolt in the reservation screw 26 that the both ends outside of side riser 2 set up, it is fixed to connect between the side riser 2, be favorable to improving the steadiness and the security of inspection shaft installation amalgamation.
Referring to fig. 1 to 12, optionally, a pipe reserved hole 29 may be formed in the middle of the side vertical plate 2 of the inspection shaft, the pipe reserved hole 29 is circular, square, arched or irregular, a pipe with a corresponding size and shape is inserted or connected through the pipe reserved hole 29, the upper end of the side vertical plate 2 is provided with hoisting connection screw holes 28 corresponding to the top screw holes 33 one by one, so that a hoisting ring is installed through the hoisting connection screw holes 28 during split installation of the inspection shaft to hoist the side vertical plate 2, the installation and use are more convenient, after the side vertical plate 2 is hoisted and split, the hoisting ring can be taken down, then the cover plate 3 is installed and then a bolt is inserted into the hoisting connection screw holes 28 through the top screw holes 33 to connect the cover plate 3 and the side vertical plate 2, thereby preventing the sealing from being influenced by dislocation due to the gravity extrusion of construction machinery during landfill, and one of the side vertical plate 2 is provided with a reserved ladder mounting hole 27, reserve cat ladder mounting hole 27 and lap 3 and reserve the entrance to a cave and align, can install through reserving cat ladder mounting hole 27 and reserve the cat ladder after inspection shaft cooperation installation, the personnel pass in and out the inspection shaft through reserving the cat ladder when being convenient for install and maintain the inspection shaft.
Referring to fig. 1 to 12, optionally, after the assembly and installation of the inspection well is completed, waterproof slurry may be injected into the grouting channel 4 at the joint between the bottom plate 1, the side vertical plate 2 and the cover plate 3 through the grouting through hole 25, since the grouting through hole 25 is communicated with the grout outlet 34 through the grouting channel 4, the grouting through hole 25 is located at the bottom of the whole inspection well, and the grout outlet 34 is located at the top, the waterproof slurry is pushed to gradually fill all the grouting channels 4 from bottom to top during grouting, and air is discharged from the grout outlet 34 until the grout outlet 34 discharges the slurry, so as to ensure that the grouting channels 4 are completely filled with the waterproof slurry, and to avoid the generation of voids, the structure is more stable, the sealing and waterproofing performance is better, and simultaneously, the upper edge of the bottom plate 1, the upper edge of the bottom inner chamfer 12, the peripheral edge of the side vertical plate 2, the inner edge of the vertical plate inner chamfer 23, the lower edge of the cover plate 3, and the like are chamfered, therefore, after the bottom plate 1, the side vertical plate 2 and the cover plate 3 are spliced and combined, glue applying seams 5 can be formed among the edge chamfers, so that the glue applying seams 5 are formed at the seams of the bottom plate 1, the side vertical plate 2 and the cover plate 3, waterproof glue can be filled into the glue applying seams 5, water vapor is prevented from permeating into the inspection well from the seams of the bottom plate 1, the side vertical plate 2 and the cover plate 3, and the stability and the waterproofness of splicing and mounting of the inspection well are further improved.
The working process is as follows: when the inspection well is installed and assembled, the bottom plate 1 is required to be placed at a preset position, the side vertical plate 2 is lifted to the upper part of the bottom plate 1 through a lifting ring arranged through a lifting connecting screw hole 28 arranged at the top of the side vertical plate 2, the bottom groove 21 at the bottom of the side vertical plate 2 is embedded into a bottom flange 11 arranged on the bottom plate 1, meanwhile, a reserved steel bar 14 is also embedded into the bottom groove 21 to position and fix the side vertical plate 2, the vertical side surface of the inner chamfer 12 at the bottom and the inner side surface of the side vertical plate 2 are mutually attached, then, a bolt penetrates through a reserved screw hole 26 arranged at the lower side to form a steel bar net structure consisting of the reserved steel bar 14 and is connected with an embedded nut 13 so as to integrally connect the steel bar skeleton structure, and further, the steel bar skeleton of the bottom plate 1 and the steel bar skeleton of the side vertical plate 2 are connected into a whole through the bolt, then installing the rest side vertical plates 2 on the bottom plate 1 according to the same steps, after the installation is finished, similarly penetrating bolts into reserved screw holes 26 arranged at the two sides of the side vertical plates 2 to connect the side vertical plates 2, and keeping interface concave-convex grooves 24 between the side vertical plates 2 to be mutually embedded, meanwhile keeping the vertical side surfaces of inner chamfers 23 of the vertical plates and the inner side surface of the bottom plate 1 mutually attached, then taking down hanging rings arranged in hanging connection screw holes 28 at the tops of the side vertical plates 2, hanging and installing a cover plate 3 on the side vertical plates 2, keeping top flanges 31 at the bottom surfaces of the cover plate 3 and top grooves 22 at the tops of the side vertical plates 2 to be mutually embedded, keeping the directions of reserved holes 32 of the cover plate at one side of the side vertical plates 2 provided with reserved ladder mounting holes 27, and then directly inserting and installing the ladder on the side vertical plates 2 through the reserved ladder mounting holes 27, simultaneously, bolts penetrate into the hoisting connection screw holes 28 and the top screw holes 33 to connect the cover plate 3 and the side vertical plate 2, so that the pre-installation and combination work is completed, then waterproof slurry is injected into the grouting channel 4 at the joint among the bottom plate 1, the side vertical plate 2 and the cover plate 3 through the grouting through holes 25 by using a grouting instrument, the grouting through holes 25 are positioned at the whole bottom of the inspection well, and the grout outlet holes 34 are positioned at the top, so that the waterproof slurry is pushed to gradually fill all the grouting channels 4 from bottom to top during grouting, air is discharged from the grout outlet holes 34, grouting is stopped until the grout outlet holes 34 discharge the slurry, so as to ensure that the grouting channels 4 are completely filled with the waterproof slurry and avoid the generation of vacuoles, and after the waterproof slurry is completely solidified, the grouting channels 4 arranged among the bottom plate 1, the side vertical plate 2 and the cover plate 3 form a completely communicated net-shaped structure through the solidified waterproof slurry, fill the reservation space between bottom plate 1, side riser 2 and the apron 3 completely, prevent to produce and connect the gap and lead to the infiltration, then need the manual work to beat in bottom plate 1, side riser 2 and each of apron 3 and glue 5 departments and beat and glue to improve the whole leakproofness of inspection shaft, after sealed glue solidifies, just accomplished the whole aggregate erection work of inspection shaft, can carry out work such as subsequent pipe connection and landfill.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (10)
1. The utility model provides a prefabricated grout of concrete seals assembled inspection shaft, includes bottom plate, side riser and apron, its characterized in that:
a bottom flange is arranged on the periphery of the top of the bottom plate, a bottom inner chamfer is arranged on the inner side of the bottom flange, an embedded nut is arranged in the middle of the bottom inner chamfer, and a reserved steel bar is arranged in the middle of the bottom flange;
the side vertical plate is positioned above the bottom plate, the lower end of the side vertical plate is provided with a bottom groove, vertical plate inner chamfers are symmetrically arranged on the left side and the right side of the side vertical plate, interface concave-convex grooves are arranged at the left end and the right end of the side vertical plate, top grooves are arranged on the top end surface of the side vertical plate, and grouting through holes are arranged at the lower side corners of the side vertical plate;
the cover plate is located above the side vertical plates, top flanges are arranged on the periphery of the bottom surface of the cover plate, cover plate reserved holes are formed in the inner side of the cover plate, top screw holes are formed in the top surface of the cover plate, and grout outlet holes are formed in the corners of the top surface of the cover plate.
2. The precast concrete grouting seal assembly type manhole according to claim 1, wherein the bottom plate and the cover plate are in a rectangular, pentagonal or other polygonal structure with the same size.
3. The precast concrete grouting seal assembly type inspection well as claimed in claim 1, wherein the vertical side face of the bottom inner chamfer is perpendicular to the top face of the bottom plate, the vertical side face of the bottom inner chamfer is attached to the inner side face of the side vertical plate, and the inner side face of the side vertical plate is perpendicular to the bottom face of the cover plate.
4. The prefabricated concrete grouting sealed assembly type inspection well as claimed in claim 1, wherein the size of the interface concave-convex grooves is matched with that of the side vertical plates, the side vertical plates can be connected in a splicing manner through the interface concave-convex grooves, a grouting channel can be formed by reserved gaps between the interface concave-convex grooves, the side vertical plates can be connected into a whole through the grouting channel in a grouting manner, and the vertical side surfaces of the inner chamfers of the vertical plates are attached to the inner side surface of the bottom plate.
5. The precast concrete grouting seal assembly type inspection well as claimed in claim 1, wherein the tops of the reserved steel bars are connected by ring-shaped structural steel bars, and the reserved steel bars and the bottom groove are mutually matched in size.
6. The prefabricated concrete grouting sealed assembly type inspection well as claimed in claim 1, wherein the bottom groove and the bottom flange are matched in size, the side vertical plate can be connected with the bottom plate through the bottom flange and the bottom groove in a split mode, a reserved gap between the bottom groove and the bottom flange forms a grouting channel, and the side vertical plate and the bottom plate can be connected into a whole through the grouting channel in a grouting mode.
7. The precast concrete grouting seal assembly type inspection well as claimed in claim 1, wherein the top groove and the top flange are mutually matched in size, the cover plate can be connected with the side vertical plate through the top flange and the top groove in a split mode, a reserved gap between the top groove and the top flange forms a grouting channel, and the side vertical plate and the cover plate can be connected into a whole through the grouting channel in a grouting mode.
8. The prefabricated concrete grouting seal assembly type inspection well as claimed in claim 1, wherein reserved screw holes are formed in the outer sides and the lower sides of the two ends of the side vertical plates, and the horizontal center lines of the reserved screw holes and the horizontal center line of the embedded nut are located on the same straight line.
9. The precast concrete grouting seal assembly type inspection well as claimed in claim 1, wherein a pipe reserved hole is formed in the middle of the side vertical plate, the pipe reserved hole is circular, square, arched or irregular, hoisting connection screw holes corresponding to the top screw holes one by one are formed in the upper end of the side vertical plate, a reserved ladder mounting hole is formed in one of the side vertical plates, and the reserved ladder mounting hole is aligned with the cover plate reserved hole.
10. The prefabricated concrete grouting sealed assembly type inspection well as claimed in claim 1, wherein the grouting through hole is communicated with the grout outlet through the grouting channel, and the joints of the bottom plate, the side vertical plate and the cover plate are all provided with glue lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010590629.1A CN111764435A (en) | 2020-06-24 | 2020-06-24 | Prefabricated grout of concrete seals assembled inspection shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010590629.1A CN111764435A (en) | 2020-06-24 | 2020-06-24 | Prefabricated grout of concrete seals assembled inspection shaft |
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| Publication Number | Publication Date |
|---|---|
| CN111764435A true CN111764435A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010590629.1A Pending CN111764435A (en) | 2020-06-24 | 2020-06-24 | Prefabricated grout of concrete seals assembled inspection shaft |
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| CN (1) | CN111764435A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663675A (en) * | 2020-12-21 | 2021-04-16 | 福建鑫远建工有限公司 | Anti-settling inspection well chamber structure and construction method thereof |
| CN112900587A (en) * | 2021-04-06 | 2021-06-04 | 王鲁平 | Slot type drainage well |
-
2020
- 2020-06-24 CN CN202010590629.1A patent/CN111764435A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663675A (en) * | 2020-12-21 | 2021-04-16 | 福建鑫远建工有限公司 | Anti-settling inspection well chamber structure and construction method thereof |
| CN112900587A (en) * | 2021-04-06 | 2021-06-04 | 王鲁平 | Slot type drainage well |
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