CN113931230A - Assembly type channel construction method and assembly type channel - Google Patents
Assembly type channel construction method and assembly type channel Download PDFInfo
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- CN113931230A CN113931230A CN202111455784.3A CN202111455784A CN113931230A CN 113931230 A CN113931230 A CN 113931230A CN 202111455784 A CN202111455784 A CN 202111455784A CN 113931230 A CN113931230 A CN 113931230A
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- 238000010276 construction Methods 0.000 title claims abstract description 47
- 239000002689 soil Substances 0.000 claims abstract description 50
- 239000004567 concrete Substances 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000003892 spreading Methods 0.000 claims description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
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- 238000009412 basement excavation Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
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- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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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
- E02D29/10—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
- 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
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Abstract
The application discloses an assembly type channel construction method and an assembly type channel, which are applied to the field of underground channel construction. The construction method of the fabricated passage comprises the following steps: s1: and (6) excavating a foundation pit. S2: and laying a cushion layer at the bottom of the foundation pit. S3: and installing a bottom plate on the cushion layer. S4: two sides of the bottom plate are respectively provided with a side plate. S5: and top plates are arranged at the tops of the two side plates, so that the bottom plate, the side plates and the top plates jointly enclose to form an annular channel. S6: and filling soil outside the annular channel. The annular channel is simple to splice and install, steps are reduced, the construction period is shortened, and the annular channel does not need to use a large amount of water-hardening soil and reinforcing steel bars, so that the manufacturing cost is reduced. And bottom plate, curb plate, roof can select suitable size according to the culvert size for use, need not the customization, have further reduced the cost.
Description
Technical Field
The application relates to the field of underground passage construction, in particular to an assembly type passage construction method and an assembly type passage.
Background
The existing urban underground comprehensive pipeline and highway culvert are mostly made of reinforced concrete, and the structural form of the urban underground comprehensive pipeline and highway culvert comprises on-site integral casting and prefabricated assembly. The traditional construction steps of integrally pouring reinforced concrete on site comprise: the construction method comprises the following steps of foundation pit excavation, cushion concrete pouring, reinforcement binding, foundation concrete pouring, wall body cover plate reinforcement concrete pouring, formwork dismantling, settlement joint treatment, abutment backfill and the like, a large amount of cement and reinforcements are needed in the whole engineering, the construction cost is high, the construction steps are multiple, and the construction period is long. Meanwhile, due to different sizes of the culverts, the cover plate template needs to be customized, so that the construction period is further prolonged, and the cost is increased.
Disclosure of Invention
The application provides an assembly type channel construction method and an assembly type channel, which are used for solving the problems that in the prior art, the construction steps of cast-in-place integral pouring of reinforced mixed soil are various, a large amount of reinforced steel bars and cement are needed, the construction period is long, and the construction cost is high.
In order to solve the above problems, the present application provides: a construction method of an assembled channel comprises the following steps:
s1, excavating a foundation pit;
s2, paving a cushion layer at the bottom of the foundation pit;
s3, mounting a bottom plate on the cushion layer;
s4, respectively installing a lateral plate on both sides of the bottom plate;
s5, mounting top plates on the tops of the two side plates to enable the bottom plate, the side plates and the top plates to form an annular channel in a surrounding mode;
and S6, filling soil outside the annular channel.
In one possible embodiment, the S1 includes:
s101: excavating the foundation pit to a preset depth;
s102: marking a pile number starting position and marking a central axis of the annular channel;
s103: and a reinforcing mesh is laid in the foundation pit, and a positioning lacing wire is arranged by extending upwards from the bottom of the foundation pit.
In one possible embodiment, the S2 includes:
s201: cleaning a substrate;
s202: measuring standard height, and nailing a standard height pile;
s203: laying concrete as a cushion layer;
s204: leveling the surface of the concrete;
s205: and (5) watering and curing the surface of the concrete.
In a possible implementation, the S204 includes:
s2041: spreading the concrete, removing the bulges on the surface of the concrete, and filling the concave parts on the surface of the concrete;
s2042: taking the height of the standard height pile as a reference, and strickling the surface of the concrete to a height not lower than that of the standard height pile;
s2043: the concrete surface is rubbed flat.
In one possible embodiment, the S3 includes:
s301: placing the bottom plate on the cushion layer;
s302: placing a wedge block between the bottom plate and the cushion layer to cushion the bottom plate;
s303: and welding the positioning lacing wire with the steel bar joint at the corresponding position on the bottom plate in a butt welding manner.
In one possible embodiment, the S4 includes:
s401: arranging a first sealing gasket at the joint of the side plate and the top plate, and fixing the first sealing gasket by using a binding belt;
s402: arranging a second sealing gasket at the joint of the bottom plate and the side plate, and fixing the second sealing gasket by using a binding belt;
s403: the side plate is connected with the bottom plate, the second sealing gasket is clamped between the bottom plate and the side plate, and then the binding belt connected with the second sealing gasket is cut off.
In one possible embodiment, the S5 includes:
s501: erecting a scaffold as an operation platform, respectively connecting a top plate with two side plates on the operation platform, and cutting off a binding belt connected with the first sealing gasket;
s502: the bottom plate, the side plates and the top plate are subjected to shape correction, and supporting structures are arranged among the bottom plate, the side plates and the top plate to fix the relative positions among the bottom plate, the side plates and the top plate;
s503: respectively arranging sealant at the joint of the side plate and the top plate and the joint of the side plate and the bottom plate, and laying annular sealing gaskets on the flanges of the bottom plate, the side plate and the top plate;
s504: and (4) pouring waterproof paint at the splicing seams of the annular sealing gaskets.
In one possible embodiment, the S6 includes:
s601: filling soil on the outer side of the side plate on one side of the annular channel and tamping to form a first filling layer, wherein the thickness of the first filling layer is not more than a first preset value;
s602: filling soil on the outer side of the side plate on the other side of the annular channel and tamping to form a second filling soil layer, wherein the thickness of the second filling soil layer is not more than a second preset value;
s603: and repeating the step S601 and the step S602 until the two outer sides of the channel are filled with soil to a preset height together, and removing the supporting structure.
The present application further provides: an assembled channel comprising:
a cushion layer;
the bottom plate is arranged on the cushion layer, a wedge-shaped block and a positioning lacing wire are arranged between the bottom plate and the cushion layer, and the wedge-shaped block and the positioning lacing wire are both positioned on two sides of the bottom plate so as to be flatly padded and fix the bottom plate;
the bottom parts of the at least two side plates are respectively connected with the two opposite sides of the bottom plate;
the two opposite sides of the top plate are respectively connected with the tops of the two side plates;
the bottom plate, the side plate and the top plate are enclosed together to form an annular structure.
In a possible embodiment, a second sealing gasket is arranged between the bottom plate and the side plate, and a first sealing gasket is arranged between the side plate and the top plate.
The beneficial effect of this application is: the application provides an assembly type channel construction method and an assembly type channel. During construction, firstly excavating the culvert position to form a foundation pit, then pouring concrete at the bottom of the foundation pit to form a cushion layer, then sequentially installing a bottom plate, a side plate and a top plate from low to high on the cushion layer to form an annular channel, repeating the installation process of the bottom plate, the side plate and the top plate, forming a long-strip-shaped annular channel, and then filling soil outside the annular channel. In the construction process, the annular channel is simple to splice and install, steps are reduced, the construction period is shortened, and the annular channel does not need to use a large amount of water-hardened soil and reinforcing steel bars, so that the construction cost is reduced. In addition, the bottom plate, the side plates and the top plate can be selected to be in proper sizes according to the size of the culvert, customization is not needed, and the manufacturing cost is further reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a first flow chart of a fabricated tunnel construction method according to an embodiment of the present invention;
FIG. 2 is a second schematic flow chart illustrating a fabricated tunnel construction method according to an embodiment of the present invention;
FIG. 3 is a flow chart illustrating a third method for constructing an assembled tunnel according to an embodiment of the present invention;
FIG. 4 is a fourth schematic flow chart illustrating a fabricated tunnel construction method according to an embodiment of the present invention;
FIG. 5 is a flow chart illustrating a fifth method for constructing an assembled channel according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating a perspective view of a fabricated tunnel provided by an embodiment of the present invention;
FIG. 7 is a schematic structural diagram illustrating another perspective of a fabricated tunnel provided by an embodiment of the present invention;
FIG. 8 is a schematic structural diagram illustrating yet another perspective of a fabricated tunnel provided by an embodiment of the present invention;
FIG. 9 shows a schematic exploded view of a fabricated tunnel provided by an embodiment of the present invention;
fig. 10 shows a partially enlarged schematic structure at a in fig. 9.
Description of the main element symbols:
100-cushion layer; 110-positioning lacing wire; 120-wedge block; 200-a base plate; 210-a second gasket; 300-side plate; 310-a first gasket; 400-a top plate; 410-an annular channel; 500-foundation pit.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to 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," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example one
Referring to fig. 1, the present embodiment provides a method for constructing an assembled channel, including the steps of:
s1: the foundation pit 500 is excavated.
Specifically, during construction, the culvert is excavated to form the foundation pit 500.
S2: the pad layer 100 is laid on the bottom of the foundation pit 500.
Specifically, the bottom of the foundation pit 500 is poured with cement soil or concrete, so as to form the cushion 100, and it is necessary to ensure that the elevation and the flatness of the cushion 100 meet the requirements of the design drawing, for example, the surface flatness of the cushion 100 needs to be within 2 CM.
S3: a base plate 200 is mounted on the mat 100.
Specifically, the base plate 200 is lifted to the mat 100, and the base plate 200 is adjusted to be horizontal.
S4: a side plate 300 is installed at both sides of the base plate 200, respectively.
Specifically, the two side plates 300 are respectively lifted to the two sides of the bottom plate 200 to be butted with the bottom plate 200, and are connected by bolts, and the bolts are screwed to the first position, and when the bolts are in the first position, the bolts are in a state of not being completely screwed.
S5: installing a top plate 400 on the top of the two side plates 300, so that the bottom plate 200, the side plates 300 and the top plate 400 together enclose to form an annular channel 410;
specifically, the top plate 400 is lifted to the tops of the two side plates 300, the two sides of the top plate 400 are respectively connected with the two side plates 300 through bolts, and the bolts are screwed to the first positions.
S6: soil is filled outside the annular channel 410.
Specifically, after the steps from S3 to S5 are repeated, the long annular channel 410 is formed, and then the outer side of the annular channel 410 is filled with soil until the foundation pit 500 is filled.
The embodiment of the application provides a construction method of an assembled channel. During construction, a culvert is excavated to form a foundation pit 500, concrete is poured into the bottom of the foundation pit 500 to form a cushion layer 100, a bottom plate 200, a side plate 300 and a top plate 400 are sequentially installed on the cushion layer 100 from low to high to form an annular channel 410, the installation process of the bottom plate 200, the side plate 300 and the top plate 400 is repeated to form a long annular channel 410, and then soil is filled outside the annular channel 410. In the construction process, the annular channel 410 is simple to splice and install, steps are reduced, the construction period is shortened, and the annular channel 410 does not need to use a large amount of water-hardening soil and reinforcing steel bars, so that the construction cost is reduced. The bottom plate 200, the side plates 300 and the top plate 400 can be selected to have proper sizes according to the size of the culvert, and the manufacture cost is further reduced without customization.
Wherein, it should be noted that, bottom plate 200, curb plate 300 and roof 400 all can adopt zinc-plated arc buckled plate, and this bottom plate 200, curb plate 300 and roof 400 are buckled in turn along the length direction of the annular channel 410 of rectangular shape respectively, and the orientation of the one side that bottom plate 200, curb plate 300 and roof 400 arch is kept away from the direction setting of annular channel 410 to form single-deck square domes, improve the steadiness of structure, under the prerequisite of proof strength, material cost is practiced thrift. And because the surfaces of the bottom plate 200, the side plates 300 and the top plate 400 are provided with the galvanized anti-corrosion coating, the assembled passage does not need to be subjected to anti-corrosion treatment during construction, the working procedures are reduced, and the construction period is shortened.
In the above embodiment, optionally, S1 includes:
s101: the foundation pit 500 is excavated to a predetermined depth.
Specifically, during construction, excavation is performed at the culvert position to a designed depth, so as to form the foundation pit 500. Wherein, the preset depth can be a design bottom elevation.
S102: the stake number start position is marked and the central axis of the annular channel 410 is marked.
Specifically, a laser level meter is adopted to measure the horizontal elevation, the initial position of each pile number is released after measurement and paying off, the direction mark of the central axis of the annular channel 410 is given, and the reference elevation value is fixed and marked by the fixed mark position.
S103: and a steel bar mesh is laid in the foundation pit 500, and the positioning lacing wire 110 extends upwards from the bottom of the foundation pit 500.
Specifically, a reinforcing mesh is constructed in the foundation pit 500, so that the structural strength of the cushion layer is improved, and the reinforcing mesh extends into the position 40cm below the bottom of the foundation pit 500 to construct the positioning tie bar 110.
The reinforcing mesh can adopt a specification of phi 10@200(1mx1m), and the positioning lacing wire 110 can adopt a specification of phi 20.
In the above embodiment, optionally, S2 includes:
s201: and (6) cleaning the substrate.
Specifically, the bottom of the foundation pit 500 is cleaned.
S202: and measuring standard height, and nailing a standard height pile.
Specifically, a laser level is used to measure a horizontal standard height, and a standard height pile is nailed at the bottom of the foundation pit 500 according to the horizontal standard height.
S203: concrete is laid as the cushion 100.
Specifically, the concrete can be cement, and the cement does not need to be vibrated by a vibrating spear, so that a compact state is achieved. The cement soil may be proportioned on site, pumped and poured into the foundation pit 500 to form a 10cm thick bedding 100.
S204: and leveling the surface of the concrete.
Specifically, the concrete or cement surface is leveled manually.
S205: and (5) watering and curing the surface of the concrete.
Specifically, the concrete can be cement soil, according to the temperature condition, carries out the watering cooling to cement soil surface to avoid cement soil to produce the crackle because the temperature is too high.
In the above embodiment, optionally, S204 includes:
s2041: the concrete is spread out, the projections on the concrete surface are removed, and the recesses on the concrete surface are filled.
Concrete can be cement soil, the cement soil is spread and basically leveled by a manual shovel, then the projections on the surface of the cement soil are shoveled off by tools such as the shovel, a trowel and the like, and the recesses are leveled up, so that the height of the cement soil is slightly higher than that of the standard height pile.
S2042: and scraping the surface of the concrete to a height not lower than that of the standard height pile by taking the height of the standard height pile as a reference.
Specifically, the concrete may be cemented soil, and the surface of the cemented soil is scraped to be flush with the standard-height pile by using a scraping bar with reference to the height of the standard-height pile.
S2043: the concrete surface is rubbed flat.
Specifically, a wooden trowel is used for rubbing the surface of the cement soil.
As shown in fig. 2, in the above embodiment, optionally, S3 includes:
s301: the base plate 200 is placed on the mat 100.
Specifically, the bottom plate 200 is lifted to a designated assembly site on the mat 100.
S302: a wedge block 120 is placed between the base plate 200 and the cushion layer 100 to cushion the base plate 200.
Specifically, leveling blocks are respectively disposed on both sides of a downward surface of the base plate 200, and a plurality of wedge blocks 120 are disposed between the leveling blocks and the cushion layer 100, and the plurality of wedge blocks 120 can be stacked to have a certain height, so that the base plate 200 is leveled by adjusting the height and number of the plurality of wedge blocks 120. Wedge blocks 120 may also be placed between the bottom of the base plate 200 and the mat 100 when the base plate 200 is arched downward, thereby leveling the base plate 200 and correcting the standard height of the base plate 200.
S303: and welding the positioning lacing wire 110 with the steel bar joint at the corresponding position on the bottom plate 200 in a butt welding mode.
Specifically, the positioning tie bar 110 extending into the bottom of the foundation pit 500 is welded to the steel bar joint at the corresponding position on the base plate 200, so that the base plate 200 can maintain a state of abutting against the wedge block 120 by the pulling force provided by the positioning tie bar 110. Therefore, the arrangement of the positioning tie bar 110 and the wedge-shaped block 120 enables the stress of the base plate 200 to be more balanced, and the structural strength is improved.
As shown in fig. 3, in the above embodiment, optionally, S4 includes:
s401: the first packing 310 is disposed at the connection of the side panel 300 and the top panel 400, and the first packing 310 is fixed by a band.
Specifically, a first gasket 310 is disposed on a corrugated flange surface of the top of the side plate 300, and the first gasket 310 is used to prevent moisture from penetrating into the annular channel 410 from the connection between the side plate 300 and the top plate 400. At the same time, the first gasket 310 is fixed to the corrugated flange surface of the top of the side plate 300 by a band.
S402: the second gasket 210 is disposed at the connection of the bottom plate 200 and the side plate 300, and the second gasket 210 is fixed by a band.
Specifically, the second gasket 210 is laid on the corrugated flange surface of the bottom plate 200, and the second gasket 210 is used to prevent moisture from penetrating into the annular channel 410 from the connection between the side plate 300 and the bottom plate 200. Meanwhile, the second gasket 210 is fixed to both sides of the base plate 200 with a band.
S403: the side plate 300 is connected with the bottom plate 200, the second sealing gasket 210 is clamped between the bottom plate 200 and the side plate 300, and then the binding tape connected with the second sealing gasket 210 is cut off.
Specifically, the side plate 300 is lifted to be abutted against the bottom plate 200, and then connected by a bolt, and the bolt is screwed to the first position, and then the band connected to the second gasket 210 is cut off. In this process, when the bolt was screwed to the first position, the bolt was in the state of not screwing up, and under this state, there was certain activity space between curb plate 300 and the bottom plate 200, can cut the ribbon and take out the ribbon this moment.
As shown in fig. 4, in the above embodiment, optionally, S5 includes:
s501: a scaffold is erected as a working platform, the top plate 400 is respectively connected with the two side plates 300 on the working platform, and the binding tapes connected with the first sealing gasket 310 are cut off.
Specifically, a scaffold is firstly erected as an operation platform, the top plate 400 is hoisted to be in butt joint with the side plates 300, the top plate 400 is respectively connected with the two side plates 300 through bolts on the scaffold, the bolts are screwed to a first position, and then the ties connected to the first sealing gaskets 310 are cut off. In this process, when the bolt was screwed to the first position, the bolt was in the state of not screwing up, and under this state, had certain activity space between curb plate 300 and roof 400, can cut the ribbon and take out the ribbon this moment.
S502: the bottom plate 200, the side plate 300, and the top plate 400 are subjected to profile correction, and a support structure is provided between the bottom plate 200, the side plate 300, and the top plate 400 to fix the relative positions between the bottom plate 200, the side plate 300, and the top plate 400.
Specifically, since the bottom plate 200, the side plate 300, and the top plate 400 are all connected by bolts, the bolts may be screwed to a second position after the shape of the circular passage 410 is corrected, and in this position, the bolts maintain a screwed state, and in this state, the structure between the bottom plate 200, the side plate 300, and the top plate 400 is substantially stable. Support structures such as X-shaped guys or shaped supports are arranged among the bottom plate 200, the side plates 300 and the top plate 400 to assist the support of the annular structure and prevent the annular structure from deforming.
S503: sealants are respectively arranged at the joint of the side plate 300 and the top plate 400 and the joint of the side plate 300 and the bottom plate 200, and annular sealing gaskets are laid on the flanges of the bottom plate 200, the side plate 300 and the top plate 400.
Specifically, sealant is respectively arranged at the joint between the side plate 300 and the top plate 400 and the joint between the side plate 300 and the bottom plate 200, annular sealing gaskets are laid on the flanges of the bottom plate 200, the side plate 300 and the top plate 400, the sealant is arranged to prevent moisture from entering the annular channel 410 from the gap between the joint between the side plate 300 and the top plate 400 and the annular sealing gaskets, and the annular sealing gaskets are used for sealing the gap between the sections of the annular channel 410.
S504: and (4) pouring waterproof paint at the splicing seams of the annular sealing gaskets.
Specifically, because the annular sealing gasket is cut and assembled according to the scene, thereby form the annular sealing gasket through a plurality of strip sealing gaskets splice to through pouring non-curing pitch waterproof coating in the annular sealing gasket's splice joint department, thereby improve the sealed effect of annular sealing gasket.
As shown in fig. 4, in the above embodiment, optionally, S6 includes:
s601: and filling soil on the outer side of the side plate at one side of the annular channel 410 and tamping to form a first filling soil layer, wherein the thickness of the first filling soil layer is not more than a first preset value.
Specifically, vegetation, organic soil, loose sediments and pebbles with the grain size larger than 75mm in the backfill area are removed firstly, then soil bags or bricks are adopted to block the wall at two ends of the two outer sides of the annular channel 410, and gaps between the soil bags are filled with plain soil. And backfilling by using lime mixed soil, compacting the lime mixed soil by using road roller equipment, wherein the thickness of the compacted first fill layer is not more than a first preset value, and the first preset value can be 20 cm. Wherein, light road roller equipment is adopted within the range of 60CM outside the annular channel 410, and a heavy road roller can be used outside the range.
S602: and filling soil on the outer side of the side plate on the other side of the annular channel 410 and tamping to form a second filling soil layer, wherein the thickness of the second filling soil layer is not more than a second preset value.
Specifically, lime soil is adopted for backfilling, the lime soil is compacted through road roller equipment, the thickness of the compacted second soil filling layer is not larger than a second preset value, and the second preset value can be 20 cm.
S603: and repeating the steps S601 and S602 until the two outer sides of the channel are filled with soil to a preset height together, and removing the support structure.
Specifically, the steps S601 and S602 are repeated to simultaneously and symmetrically layer the two outer sides of the annular channel 410 for filling, so as to prevent the annular channel 410 from inclining due to uneven stress during the filling process. When the two outer sides of the channel are filled with earth together to a predetermined height, the structure of the annular channel 410 is already stable, and the support structure can be removed. When the soil is covered above the top plate 400, a large-scale roller mill is prohibited from directly constructing on the upper part of the top plate 400, so that the top plate 400 is prevented from being crushed.
Example two
In the present embodiment, a transportation method of the bottom plate 200, the side plates 300, and the top plate 400 is proposed based on the first embodiment. In the above embodiment, optionally, the fabricated tunnel construction method further includes, before the step S1, a step S0:
s001: when the bottom plate 200, the side plate 300 and the top plate 400 are all arc-shaped corrugated plates, the largest corrugated plate is placed on the carriage, the arched surface of the corrugated plate is arranged upwards, and a plurality of sleepers and laying straps with the heights matched with the corrugated plates are padded at the bottom of the largest corrugated plate;
s002: the corrugated plates with the sequentially reduced volume or weight are sequentially stacked on the largest corrugated plate, and a log assembly is placed between the adjacent corrugated plates in the middle, wherein the log assembly comprises at least three logs, the at least three logs are arranged at intervals along the direction perpendicular to the alternating bending direction of the corrugated plate plates, and the adjacent logs are connected by steel wires;
s003: and binding and fixing the binding band around the plurality of corrugated plates longitudinally, and paving the waterproof cloth outside the plurality of corrugated plates.
EXAMPLE III
As shown in fig. 5 to 10, the present invention also discloses an assembled duct, comprising: a cushion layer 100, a bottom plate 200, at least two side plates 300, and a top plate 400. The bottom plate 200 is arranged on the cushion layer 100, the wedge-shaped blocks 120 and the positioning tie bars 110 are arranged between the bottom plate 200 and the cushion layer 100, and the wedge-shaped blocks 120 and the positioning tie bars 110 are both positioned on two sides of the bottom plate 200 so as to be flat and fix the bottom plate 200. The bottoms of at least two side plates 300 are connected to the opposite sides of the bottom plate 200, respectively. The opposite sides of the top plate 400 are connected to the tops of the two side plates 300, respectively. The bottom plate 200, the side plate 300 and the top plate 400 together enclose an annular channel 410.
The fabricated channel is constructed by any one of the above fabricated channel construction methods, so that all technical effects of the fabricated channel construction method are achieved, and the details are not repeated herein.
In the above embodiment, optionally, a second gasket 210 is disposed between the bottom plate 200 and the side plate 300, and a first gasket 310 is disposed between the side plate 300 and the top plate 400.
Specifically, the first gasket 310 serves to prevent moisture from penetrating into the annular channel 410 from the junction of the side plate 300 and the top plate 400, and the second gasket 210 serves to prevent moisture from penetrating into the annular channel 410 from the junction of the side plate 300 and the bottom plate 200.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A construction method of an assembled channel is characterized by comprising the following steps:
s1, excavating a foundation pit;
s2, paving a cushion layer at the bottom of the foundation pit;
s3, mounting a bottom plate on the cushion layer;
s4, respectively installing a lateral plate on both sides of the bottom plate;
s5, mounting top plates on the tops of the two side plates to enable the bottom plate, the side plates and the top plates to form an annular channel in a surrounding mode;
and S6, filling soil outside the annular channel.
2. The fabricated tunnel construction method of claim 1, wherein the S1 includes:
s101: excavating the foundation pit to a preset depth;
s102: marking a pile number starting position and marking a central axis of the annular channel;
s103: and a reinforcing mesh is laid in the foundation pit, and a positioning lacing wire is arranged by extending upwards from the bottom of the foundation pit.
3. The fabricated tunnel construction method of claim 1, wherein the S2 includes:
s201: cleaning a substrate;
s202: measuring standard height, and nailing a standard height pile;
s203: laying concrete as a cushion layer;
s204: leveling the surface of the concrete;
s205: and (5) watering and curing the surface of the concrete.
4. The fabricated tunnel construction method of claim 3, wherein the S204 comprises:
s2041: spreading the concrete, removing the bulges on the surface of the concrete, and filling the concave parts on the surface of the concrete;
s2042: taking the height of the standard height pile as a reference, and strickling the surface of the concrete to a height not lower than that of the standard height pile;
s2043: the concrete surface is rubbed flat.
5. The fabricated tunnel construction method of claim 2, wherein the S3 includes:
s301: placing the bottom plate on the cushion layer;
s302: placing a wedge block between the bottom plate and the cushion layer to cushion the bottom plate;
s303: and welding the positioning lacing wire with the steel bar joint at the corresponding position on the bottom plate in a butt welding manner.
6. The fabricated tunnel construction method of claim 1, wherein the S4 includes:
s401: arranging a first sealing gasket at the joint of the side plate and the top plate, and fixing the first sealing gasket by using a binding belt;
s402: arranging a second sealing gasket at the joint of the bottom plate and the side plate, and fixing the second sealing gasket by using a binding belt;
s403: the side plate is connected with the bottom plate, the second sealing gasket is clamped between the bottom plate and the side plate, and then the binding belt connected with the second sealing gasket is cut off.
7. The fabricated tunnel construction method of claim 6, wherein the S5 includes:
s501: erecting a scaffold as an operation platform, respectively connecting a top plate with two side plates on the operation platform, and cutting off a binding belt connected with the first sealing gasket;
s502: the bottom plate, the side plates and the top plate are subjected to shape correction, and supporting structures are arranged among the bottom plate, the side plates and the top plate to fix the relative positions among the bottom plate, the side plates and the top plate;
s503: respectively arranging sealant at the joint of the side plate and the top plate and the joint of the side plate and the bottom plate, and laying annular sealing gaskets on the flanges of the bottom plate, the side plate and the top plate;
s504: and (4) pouring waterproof paint at the splicing seams of the annular sealing gaskets.
8. The fabricated tunnel construction method of claim 7, wherein the S6 includes:
s601: filling soil on the outer side of the side plate on one side of the annular channel and tamping to form a first filling layer, wherein the thickness of the first filling layer is not more than a first preset value;
s602: filling soil on the outer side of the side plate on the other side of the annular channel and tamping to form a second filling soil layer, wherein the thickness of the second filling soil layer is not more than a second preset value;
s603: and repeating the steps S601 and S602 until the two outer sides of the channel are filled with soil to a preset height together, and removing the support structure.
9. An assembled channel, comprising:
a cushion layer;
the bottom plate is arranged on the cushion layer, a wedge-shaped block and a positioning lacing wire are arranged between the bottom plate and the cushion layer, and the wedge-shaped block and the positioning lacing wire are both positioned on two sides of the bottom plate so as to be flatly padded and fix the bottom plate;
the bottom parts of the at least two side plates are respectively connected with the two opposite sides of the bottom plate;
the two opposite sides of the top plate are respectively connected with the tops of the two side plates;
the bottom plate, the side plate and the top plate are enclosed together to form an annular channel.
10. The fabricated tunnel of claim 9 wherein a second gasket is disposed between the bottom plate and the side plate and a first gasket is disposed between the side plate and the top plate.
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