CN115977035A - Quick assembly type channel connected in mortise and tenon mode - Google Patents
Quick assembly type channel connected in mortise and tenon mode Download PDFInfo
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- CN115977035A CN115977035A CN202310131514.XA CN202310131514A CN115977035A CN 115977035 A CN115977035 A CN 115977035A CN 202310131514 A CN202310131514 A CN 202310131514A CN 115977035 A CN115977035 A CN 115977035A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000010276 construction Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000010485 coping Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004570 mortar (masonry) Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The invention discloses a tenon-and-mortise connected rapid assembly channel, which comprises: the lower part of the assembled U-shaped channel main body is designed into a semicircular curve; the assembled U-shaped channel main bodies are in stepped lap joint; a gap is arranged at the lap joint of the main body of the assembled U-shaped channel, and a water-swelling water stop strip is arranged at the gap; four supporting lugs are integrally arranged at the upper part of the assembled U-shaped channel main body, and tenon-and-mortise connecting rods are arranged on the supporting lugs of the two connected assembled U-shaped channel main bodies; the lower surface of the mortise and tenon connecting rod is symmetrically and integrally provided with mortise and tenon strips, and the mortise and tenon strips clamp two adjacent supporting lugs. The invention effectively avoids leakage, channel damage and the like caused by the problems of seam cracking, channel dislocation and the like generated by mortar pointing during plain end butt joint, thereby prolonging the service life of the component and simultaneously avoiding the problem of complex fabrication and construction of the prefabricated component caused by a socket structure.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a tenon-and-mortise connected quick assembly channel.
Background
In the new period of rapid development of the 21 st century in China, channel water delivery plays an important role as a preferred water delivery form in agricultural irrigation and long-distance water transfer engineering due to the advantages of low cost, high water delivery efficiency, simple construction and the like. As a green construction technology, the fabricated concrete channel has the advantages of saving energy, protecting environment, reducing construction waste, improving construction conditions, shortening construction period, improving labor productivity and the like. How to improve a series of problems of the assembly type channel, improve the water delivery efficiency, reduce the water resource loss, and is particularly important for developing water-saving agriculture and promoting the high-standard farmland construction of drought and waterlogging conservation in northwest regions.
At present, the most common connection mode between open channel channels is plain end butt joint, generally is the installation of piecemeal, and the seam is many, and the processing of seam is generally directly to brush on a layer of concrete in seam department, and the thickness and the area of this layer of concrete are often very little, easily produce fracture, dislocation, and then the seepage phenomenon appears, has seriously influenced engineering life. Although the leakage-resistant effect is improved to a certain extent, the existing socket joint type ribbed structure and the existing lap joint type structure have the defect of local mouth opening; in addition, the socket joint type U-shaped channel with the ribs has large excavation difficulty and increased construction cost due to the existence of the transverse rib beam. In addition, the U-shaped channel is easy to break at the joint of the crack due to the up-and-down dislocation of the U-shaped channel due to the change of external geological conditions of the channel such as foundation subsidence, earth dislocation and the like, so that the function of the channel is invalid, and the resource waste is caused.
Disclosure of Invention
The invention aims to provide a quick assembly type channel in mortise and tenon joint connection, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a rapid Assembly formula channel that tenon fourth of twelve earthly branches formula is connected includes: the lower part of the assembled U-shaped channel main body is designed into a semicircular curve;
step-shaped lap joint is adopted between the assembled U-shaped channel main bodies;
a certain amount of grooves are arranged at the lap joint of the main bodies of the assembled U-shaped channels, and water-swelling water-stop strips are arranged at the grooves;
four supporting lugs are integrally arranged at the upper part of the assembled U-shaped channel main body, and tenon-and-mortise connecting rods are arranged on the supporting lugs of the two connected assembled U-shaped channel main bodies;
the lower surface of the mortise and tenon connecting rod is symmetrically and integrally provided with mortise and tenon strips, and the mortise and tenon strips clamp two adjacent supporting lugs.
Preferably, the one end an organic whole of assembled U type canal main part is equipped with the concatenation chimb, and the concatenation recess is seted up to assembled U type canal main part other end an organic whole, and the concatenation chimb and the concatenation recess of two assembled U type canal main parts agree with the concatenation.
Preferably, the water stop strip is made of flexible materials.
Preferably, the corresponding positions of the support lug and the mortise-tenon connecting rod are a first limiting hole and a second limiting hole respectively, and a limiting pin or a screw penetrates through the first limiting hole and the second limiting hole simultaneously.
The construction process of the assembled U-shaped channel main body comprises filling and rolling, foundation trench excavation, laying and installation, water stop strip installation, earthwork backfill, top pressing and laying and the like.
Compared with the prior art, the invention has the following beneficial effects:
1. the assembled channel is formed by sequentially overlapping a plurality of assembled U-shaped channel main body units in the horizontal direction, so that the cost can be effectively saved, the construction period is shortened, and the rapid construction is convenient. The upper parts of the two outer sides of each channel are provided with four supporting lugs, and the supporting lugs of two adjacent channel units are connected and fixed together through a mortise-tenon connecting rod, so that the two channels can be tightly connected, and the problem of connection failure of channels when uneven settlement or unilateral stress occurs can be effectively avoided;
2. the assembled U-shaped channel main body uses the U-shaped section, which not only can improve the water delivery capacity of the channel and shorten the irrigation period, but also can increase the sand-carrying capacity of water flow, so that the channel siltation is reduced;
3. the lap joint leaves the recess space and sets up the sealing rod, and the sealing rod is flexible material, compresses tightly the sealing rod and with two assembled U type canal main parts zonulae occludens through channel self gravity to reach the best stagnant water effect. The flexible assembly type channel connecting mode can improve the capability of the channel for bearing the damages such as telescopic deformation, lateral deformation, uneven settlement and the like, thereby effectively reducing the influence on the water delivery function of the channel due to the problems of temperature, water seepage and the like.
4. The assembled U-shaped channel main body adopts a lapped non-rigid connection mode, so that leakage, channel damage and the like caused by problems of joint cracking, dislocation and the like caused by mortar pointing during butt joint of the plain end can be effectively avoided, the service life of a component is prolonged, and the problem of complex manufacturing and construction of prefabricated parts caused by a socket structure can be avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a diagram illustrating the splicing effect of the fabricated U-shaped channel body according to the present invention;
FIG. 3 is a schematic structural view of a mortise and tenon connecting rod according to the present invention;
FIG. 4 is a diagram showing the positional relationship between the water stop strip and the assembled U-shaped channel body according to the present invention;
FIG. 5 is a diagram illustrating an exemplary inter-trench stress distribution.
In the figure: 1. an assembled U-shaped channel body; 2. a support ear; 3. a first limiting hole; 4. splicing the convex edges; 5. splicing the grooves; 6. a mortise and tenon connecting rod; 7. mortise and tenon joint strips; 8. a second limiting hole; 9. a water stop strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the invention provides a technical solution: a rapid Assembly formula channel that tenon fourth of twelve earthly branches formula is connected includes: the lower part of the assembled U-shaped channel main body 1 is designed into a semicircular curve; the assembled U-shaped channel main bodies 1 are in stepped lap joint, one end of each assembled U-shaped channel main body 1 is integrally provided with a splicing convex edge 4, the other end of each assembled U-shaped channel main body 1 is integrally provided with a splicing groove 5, and the splicing convex edges 4 and the splicing grooves 5 of the two assembled U-shaped channel main bodies 1 are spliced together to finish channel splicing installation;
the groove is arranged at the splicing position of the assembly type U-shaped channel main body 1, the water-swelling water stop strip 9 is arranged at the groove, the water stop strip 9 is made of flexible materials, and the water stop strip 9 is compacted and filled in the groove gap under the action of gravity of the assembly type U-shaped channel main body 1 so as to achieve the water stopping purpose. The flexible connection form among the channels can improve the capability of the channels for bearing the problems of temperature stress, uneven settlement and the like, thereby avoiding the expansion deformation and the uneven settlement to a certain degree caused by the temperature change;
four supporting lugs 2 are integrally arranged on the upper portion of an assembly type U-shaped channel main body 1, a first limiting hole 3 and a second limiting hole 8 are respectively arranged on the supporting lugs 2 of the two connected assembly type U-shaped channel main bodies 1, and a first limiting hole 3 and a second limiting hole 8 are arranged at corresponding positions on the supporting lugs 2 and the first limiting hole 6 respectively;
the mortise and tenon joint strips 7 are symmetrically and integrally arranged on the lower surface of the mortise and tenon joint connecting rod 6, the mortise and tenon joint strips 7 clamp two adjacent supporting lugs 2, mortise and tenon joint of the mortise and tenon joint connecting rod 6 and the assembled U-shaped channel main body 1 is realized, displacement limitation parallel to the channel direction is provided for connection between the assembled U-shaped channel main body 1, telescopic displacement between channels caused by temperature change, sedimentation and the like is reduced, and channel function loss is avoided;
after the water stop strip 9 expands when meeting water, the whole groove gap is tightly filled under the action of the gravity of the assembled U-shaped channel main body 1 so as to achieve the purpose of water stop, sundries in a clean seam are cleaned before the water stop strip 9 is installed, and the rough and damaged surfaces are properly polished and repaired so as to ensure the smooth and dry seam surfaces, so that a certain water stop capacity is ensured after the water stop strip 9 is installed, and the water stop effect can be optimal after the water stop strip 9 expands;
the construction process of the assembled U-shaped channel main body 1 comprises filling and rolling, foundation trench excavation, laying and installation, water stop strip installation, earthwork backfilling and coping laying; in the installation construction process, when the water stop strip 9 is installed, the rough and damaged surfaces need to be properly polished and repaired; in the process of installation and splicing, the leakage problem is avoided, the interfaces are aligned, and the surface is smooth;
the typical parameters of the cross section described in this embodiment are selected as follows: referring to the channel engineering grade and scale shown in the table 3.0.4 in the technical Specification of channel seepage-proofing engineering, selecting the designed water flow Q = 0.1-2.0 m 3 /s (5-grade medium and small channel), and the longitudinal gradient of the channel is set
The channel roughness n =0.0140, taking 12 ° with reference to the empirical camber angle.
Main parameter of water passing section
Channel water cross section area A:
wet cycle P of channel water section:
channel hydraulic radius R:
channel flow Q:
according to the design specifications of irrigation and drainage engineering, the ultrahigh values of the 4-grade and 5-grade lining channels are calculated and determined according to the following formula.
TABLE 1 table of typical flow Q and other main parameter corresponding values
Through carrying out finite element numerical simulation analysis to U type trench structure, the sealing rod produces compressive stress owing to receive U type trench junction clearance restriction when meeting water inflation, when the compression ratio of general sealing rod reaches about 60%, can satisfy the stagnant water requirement, and the maximum stress of U type canal body is about 15MPa this moment, and U type trench satisfies the intensity requirement.
Through calculation, compared with the construction cost of a cast-in-place U-shaped channel, the construction cost of the mortise and tenon type U-shaped channel is saved by about 8 percent. Therefore, the mortise and tenon joint type is more advantageous in terms of economy.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A quick-assembly type channel of mortise-tenon joint type includes: assembled U type canal main part (1), its characterized in that: the lower part of the assembled U-shaped channel main body (1) is designed into a semicircular curve;
the assembled U-shaped channel main bodies (1) are in stepped lap joint;
a groove is arranged at the lap joint of the assembled U-shaped channel main bodies (1), and a water-swelling water stop strip (9) is arranged at the groove between the upper contact surface and the lower contact surface of the two U-shaped channel main bodies (1);
four supporting lugs (2) are integrally arranged at the upper part of the assembled U-shaped channel main body (1), and mortise and tenon connecting rods (6) are arranged on the supporting lugs (2) of the two connected assembled U-shaped channel main bodies (1);
the lower surface of the mortise and tenon connecting rod (6) is symmetrically and integrally provided with mortise and tenon strips (7), and the mortise and tenon strips (7) clamp two adjacent supporting lugs (2).
2. The quick-assembly channel of mortise and tenon joint according to claim 1, wherein a splicing convex edge (4) is integrally arranged at one end of the assembly type U-shaped channel main body (1), a splicing groove (5) is integrally formed at the other end of the assembly type U-shaped channel main body (1), and the splicing convex edges (4) and the splicing grooves (5) of the two assembly type U-shaped channel main bodies (1) are spliced together.
3. The quick-assembly channel of mortise and tenon joint according to claim 1, wherein the water stop bar (9) is made of flexible material.
4. The quick assembly channel of mortise and tenon joint according to claim 1, wherein the support lug (2) and the mortise and tenon connecting rod (6) are respectively provided with a first limiting hole (3) and a second limiting hole (8) at corresponding positions, and a limiting pin or a screw penetrates through the first limiting hole (3) and the second limiting hole (8) simultaneously.
5. A rapid assembled channel construction process of mortise and tenon joint according to claims 1-4, wherein the construction process of the assembled U-shaped channel main body (1) comprises earth filling and rolling, foundation trench excavation, laying and installation, water stop strip installation, earthwork backfilling and coping laying; in the installation construction process, when the water stop strip 9 is installed, the rough and damaged surfaces need to be properly polished and repaired; in the process of installation and splicing, no leakage problem, aligned interfaces and flat surfaces are ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310131514.XA CN115977035A (en) | 2023-02-17 | 2023-02-17 | Quick assembly type channel connected in mortise and tenon mode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310131514.XA CN115977035A (en) | 2023-02-17 | 2023-02-17 | Quick assembly type channel connected in mortise and tenon mode |
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