CN109537822B - Drainage ditch construction process - Google Patents
Drainage ditch construction process Download PDFInfo
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- CN109537822B CN109537822B CN201811433665.6A CN201811433665A CN109537822B CN 109537822 B CN109537822 B CN 109537822B CN 201811433665 A CN201811433665 A CN 201811433665A CN 109537822 B CN109537822 B CN 109537822B
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- 238000010276 construction Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 61
- 239000004567 concrete Substances 0.000 claims abstract description 60
- 239000002344 surface layer Substances 0.000 claims abstract description 40
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims abstract description 4
- 239000004575 stone Substances 0.000 claims description 30
- 241000219112 Cucumis Species 0.000 claims description 17
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 241000209094 Oryza Species 0.000 claims description 17
- 235000007164 Oryza sativa Nutrition 0.000 claims description 17
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 claims description 17
- 235000009566 rice Nutrition 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 229920000609 methyl cellulose Polymers 0.000 claims description 15
- 239000001923 methylcellulose Substances 0.000 claims description 15
- 235000010981 methylcellulose Nutrition 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 5
- 238000009736 wetting Methods 0.000 claims description 5
- 241000251468 Actinopterygii Species 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims 1
- 239000011449 brick Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000011469 building brick Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
- E04D13/0646—Gutters made of concrete or stone-like material
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a drainage ditch construction process, which comprises the following steps: cleaning a concrete structure plate base layer; marking an indicating line on the structural layer; installing a customized template, wherein the customized template comprises an upper template, a lower template and a plurality of concrete cushion blocks, the upper template is arranged above the lower template, and the upper template and the lower template are L-shaped and consist of a transverse plate and a vertical plate; guide rods are arranged on a transverse plate of the lower template at intervals, the upper template can slide and be positioned along the axial direction of the guide rods, and the outer side of a vertical plate of the upper template is tightly attached to the inner side of a vertical plate of the lower template; leveling and snapping lines on the upper template or the lower template, and simultaneously punching a handle outlet column on the structural layer; pouring a leveling layer and a surface layer; removing the customized template; maintaining the surface layer and the leveling layer. The drainage ditch construction process provided by the invention adopts the customized template to replace the traditional brick retaining wall, and is quicker and more convenient to install. Meanwhile, the customized template can be reused after being demoulded, and the manufacturing cost is reduced.
Description
Technical Field
The invention relates to a roof drainage ditch, in particular to a drainage ditch construction process.
Background
The common drainage ditch is constructed by building brick moulding beds on two sides of the ditch or the other side of the wall edge, plastering and then constructing a slope layer according to the elevation. The specific construction process comprises the following steps: paying off a drainage ditch → building the drainage ditch along the direction of a bullet line of the drainage ditch → plastering → finding a slope by using foamed concrete on the roof → leveling by using mortar. The drainage ditch is built by adopting the brick moulding bed, the construction process is complicated, the pouring thickness of the roof foaming concrete is not convenient to control, the construction time is long, and manpower and material resources are wasted.
Based on the above problem, the chinese intellectual property office announces in 2014.08.06 a detachable drainage ditch template device with platform mouth, including the template, the outside of template is equipped with horizontal steel pipe and encloses the purlin, vertical steel pipe and encloses the purlin, and the inboard of template is equipped with interior the support, horizontal steel pipe encloses the purlin and encloses the purlin with vertical steel pipe and weld into whole frame rack structure. And a channel steel platform opening is arranged above the transverse steel pipe enclosing purlin, and vertical supports are arranged on the transverse steel pipe enclosing purlin and the lower part of the template. Through adopting foretell structure, can practice thrift construction cost, the device dismouting is nimble moreover, can repeat the turnover use, and the specially adapted takes the escape canal construction of platform mouth, simple process, the efficiency of construction is high, and the shaping is effectual. However, the mold is complex in structure, troublesome in installation and disassembly, time-consuming and labor-consuming, and poor in universality, and cannot be adjusted in real time according to the depth of the drainage ditch.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a drainage ditch construction technology that construction technology is simple, the efficiency of construction is high, and the installation of escape ditch mould and dismantlement are convenient, can adjust the escape ditch degree of depth in real time.
In order to solve the technical problems, the invention adopts the following technical scheme:
a drainage ditch construction method is characterized by comprising the following steps: step 1, cleaning a concrete structure plate base layer to ensure the flatness of a structure layer; step 2, marking an indicating line parallel to the outer wall or the guardrail base layer on the structural layer according to the width of the required drainage ditch; step 3, installing a customized template, wherein the customized template comprises an upper template, a lower template and a plurality of concrete cushion blocks, the length of the upper template is matched with that of the drainage ditch, one end of each concrete cushion block is tightly attached to the outer wall or the guardrail base layer, the upper template is arranged above the lower template, and the upper template and the lower template are both L-shaped and consist of a transverse plate and a vertical plate; a plurality of guide rods which are vertically arranged are arranged on a transverse plate of the lower template at intervals, the upper ends of the guide rods penetrate through the transverse plate of the upper template and extend out of the transverse plate, the upper template can slide and be positioned along the axial direction of the guide rods, and the outer side of a vertical plate of the upper template is tightly attached to the inner side of the vertical plate of the lower template; during installation, one side of the transverse plates of the upper template and the lower template is placed towards the direction of the outer wall or the guardrail base layer, the outer end face of the lower template is aligned with the indicating line in the step 2, and meanwhile, one end of the concrete cushion block is abutted against the vertical plate of the lower template, and the other end of the concrete cushion block is abutted against the outer wall or the guardrail base layer; step 4, leveling and snapping lines on the upper template or the lower template according to the set thicknesses of the leveling layer and the surface layer, and simultaneously punching a handle outlet column on the structural layer, wherein the leveling snapping lines and the handle outlet column are respectively used for marking the surface positions of the leveling layer and the surface layer; step 5, pouring a leveling layer and a surface layer; step 6, removing the customized template; and 7, maintaining the surface layer and the leveling layer. Like this, adopt the customization template to replace traditional brick barricade, it is more swift, convenient when the installation. Meanwhile, the customized template can be reused after being demoulded, and the manufacturing cost is reduced. In addition, if the depth of the formed drainage ditch needs to be adjusted, the upper template can be moved up and down to a proper position and then fixed, and thus the vertical distance from the top of the upper template to the lower surface of the lower template is the depth of the formed drainage ditch. The concrete cushion block installed between the lower template and the outer wall can be used for ensuring the width of the drainage ditch, can also be used for fixing the lower template, and meanwhile resists the lateral pressure generated when later-stage concrete or mortar is poured.
Further, in the step 3, the upper template and the lower template of the customized template are both angle steels. Therefore, the angle steel is used as the upper template and the lower template, so that the smooth surface of the formed drainage ditch can be ensured, and the demoulding is facilitated. Meanwhile, the angle steel is high in strength and long in service life, and can be manufactured by waste angle steel everywhere on a building site, so that the manufacturing cost is reduced.
Further, in the step 3, the guide rods are screw rods, a spring is sleeved on the lower end of the upper template and part of the guide rods, and a locking nut which is in threaded fit with the guide rods is sleeved on the transverse plate of the upper template and each guide rod sleeved with the spring; after the height of the upper template is adjusted to enable the vertical plate to meet the process setting requirements, the upper template is fixed through the locking nut, the position of the upper template can be adjusted, and the depth of the formed drainage ditch is further adjusted. Like this, adopt the screw rod as the guide arm after, accessible screw rod and lock nut cooperation are fixed the cope match-plate pattern in certain position, and the elastic component that sets up can enough regard as the support of cope match-plate pattern, can stretch out and draw back in the direction of height after the pressurized again to the degree of depth after the escape canal shaping is adjusted. Meanwhile, the elastic piece can be quickly restored to the original shape when not subjected to external pressure, and the service life is long.
Furthermore, the concrete cushion block is a cuboid, a notch is formed in one side, facing the lower template, of the concrete cushion block, one side, provided with the notch, of the concrete cushion block is arranged on the transverse plate of the lower template, and the lower end face of the concrete cushion block and the lower end face of the lower template are located on the same plane. Like this, concrete cushion one side sets up behind the breach can be better with the lower bolster laminating, increased the frictional area between concrete cushion and the lower bolster for the concrete cushion can bear pressure bigger. And after the lower end surfaces of the concrete cushion block and the lower template are positioned on the same plane, the concrete cushion block and the lower template can be placed more stably.
Further, one day before pouring the leveling layer and the surface layer, watering and wetting for more than 12 hours, sweeping clear water after wetting and curing are completed, and simultaneously, uniformly coating a layer of methyl cellulose on the surface of the base layer, wherein the methyl cellulose is scraped into fish scales by using an iron trowel, and the thickness of the methyl cellulose is 2-5 mm. Like this, water and make the structural layer more moist after moist, be convenient for more form an organic whole with the screed-coat that later stage was pour, and the methylcellulose of scribbling can make cement fully hydrated, obviously increase bonding strength when using in plastering mortar, can suitably improve tensile strength and shear strength simultaneously, greatly improve the construction effect, improve work efficiency. The phenomena of cracking and dehydration caused by too fast dehydration are avoided, and the cracking and shrinkage are reduced. After the methyl cellulose is scraped into fish scales, the connection surface and the connection strength of the methyl cellulose and the leveling layer can be effectively increased.
Further, screed-coat and surface course are pour by the melon and rice stone concrete and are formed, when pouring, scrape methyl cellulose limit and pour melon and rice stone surface course to strickle off with scraping the thick stick, reuse heavy-iron cylinder moves about freely and quickly and rolls 3-5 times, until the surface is starched. Therefore, the melon and rice stone surface layer can achieve the leveling effect, and meanwhile, the surface is smooth and crack-free.
Furthermore, when the surface layer is poured, the whole layer is paved, no construction joint is required to be left, if the down time exceeds 4-5h, the condensed melon-rice stone joint is cleaned and processed before the pouring is continued, loose stones, mortar and the like are removed, the melon-rice stone paving is carried out after the melon-rice stone joint is wetted and the interface agent is scraped, the leveling and compacting work of the joint is checked, and the joint cannot be displayed. Therefore, the new and old melon and rice stones are integrated, and the smooth joint position is ensured.
Further, after paving the melon and rice stones on the surface layer for 1-2h and before initial setting of concrete, carrying out first smearing and pressing by using an iron trowel until cement slurry with the thickness of 1-2mm is extruded, checking the flatness of the surface layer by using a guiding rule after smearing and pressing, carrying out second smearing and pressing after the first smearing and pressing is finished and before final setting of the concrete, and avoiding showing foot marks after smearing and pressing so as to realize compact and flat surface without exposing stones, sand holes and smeared lines. Therefore, finished product protection after the melon and rice stone cushion layer is poured is well achieved, and the attractive effect is achieved.
Further, when the customized template is dismantled, the hammer is firstly used for tapping the concrete cushion block to loosen the concrete cushion block, then the locking nut is rotated to take the upper template down and collect the spring on the guide rod, and finally the lower template is tapped to separate the lower template from the poured leveling layer or surface layer. Therefore, the process of dismounting the customized template is very quick and convenient. The hammer and the wrench can be quickly disassembled.
Compared with the prior art, the drainage ditch construction process has the following advantages:
1. the customized template is adopted to replace the traditional brick retaining wall, and the installation is quicker and more convenient. Meanwhile, the customized template can be reused after being demoulded, and the manufacturing cost is reduced.
2. The mould is simple in structure and convenient to install, and the forming depth of the drainage ditch can be adjusted when the upper template is moved up and down. Meanwhile, the upper template and the lower template are made of angle steel, so that the strength is high, the demolding is easy, the surface of the drainage ditch formed after demolding is smooth, and the forming quality is high.
3. The concrete cushion block installed between the lower template and the outer wall can be used for ensuring the width of the drainage ditch, can also be used for fixing the lower template, and meanwhile resists the lateral pressure generated when later-stage concrete or mortar is poured.
Drawings
FIG. 1 is a schematic view of an installation structure of a shaping mold of a drainage ditch in the embodiment;
FIG. 2 is a top view of the drain shaping mold in the embodiment.
In the figure: the concrete cushion comprises a structural layer 1, an outer wall 2, an upper template 3, a lower template 4, a guide rod 5, an elastic piece 6, a locking nut 7, a concrete cushion block 8, a notch 81, a leveling layer 9 and a surface layer 10.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example (b):
the drainage ditch construction process provided by the embodiment comprises the following steps: step 1, cleaning a concrete structure plate base layer to ensure the flatness of a structure layer; step 2, marking an indicating line parallel to the outer wall 2 on the structural layer 1 according to the width of the required drainage ditch; step 3, installing a customized template, wherein the customized template comprises an upper template 3, a lower template 4 and a plurality of concrete cushion blocks 8, the length of the upper template is matched with that of the drainage ditch, one end of each concrete cushion block 8 is tightly attached to the outer wall 2, the upper template 3 is arranged above the lower template 4, and the upper template 3 and the lower template 4 are both L-shaped and consist of a transverse plate and a vertical plate; a plurality of guide rods 5 which are vertically arranged are arranged on a transverse plate of the lower template 4 at intervals, the upper ends of the guide rods 5 penetrate through the transverse plate of the upper template 3 and extend out of the transverse plate, the upper template 3 can slide and be positioned along the axial direction of the guide rods 5, and the outer side of a vertical plate of the upper template 3 is tightly attached to the inner side of the vertical plate of the lower template 4; during installation, placing the transverse plates of the upper template 3 and the lower template 4 at one side facing the direction of the outer wall 2, aligning the outer end face of the lower template 4 with the indicating line in the step 2, and meanwhile, abutting one end of the concrete cushion block 8 against the vertical plate of the lower template 4 and abutting the other end of the concrete cushion block against the outer wall 2; step 4, leveling and snapping lines on the upper template 3 or the lower template 4 according to the set thicknesses of the leveling layer 9 and the surface layer 10, and simultaneously punching a handle outlet column on the structural layer 1, wherein the leveling snapping lines and the handle outlet columns are respectively used for marking the surface positions of the leveling layer 9 and the surface layer 10; step 5, pouring a leveling layer 9 and a surface layer 10; step 6, removing the customized template, wherein a groove formed between the leveling layer 9 and the outer wall 2 after the customized template is removed is a drainage ditch; and 7, curing the surface layer 10 and the leveling layer 9.
Specifically, the upper template 3 and the lower template 4 in the step 3 are both made of angle steel. A plurality of waste angle steels can be welded to form an upper template 3 or a lower template 4 with the same length as the drainage ditch.
As shown in fig. 1 and 2, in the step 3, the guide rods 5 are screw rods, a spring 6 is sleeved on the lower end of the upper template 3 and a part of the guide rods 5, and a locking nut 7 which is in threaded fit with the guide rods 5 is sleeved on each guide rod 5 sleeved with the spring 6 on the transverse plate of the upper template 3; after the upper die plate 3 is pressed down to enable the vertical plate of the upper die plate to reach the set surface layer thickness, the upper die plate 3 is fixed through the locking nut 7, the position of the upper die plate 3 can be adjusted, and the depth of the formed drainage ditch is adjusted. Generally, after the position of the upper template 3 is determined and fixed, if the position of the upper template 3 is detected to be too high or too low, the locking nut 7 can be rotated, and the position of the upper template can be finely adjusted by moving the locking nut 7 up and down.
In specific implementation, the locking nut 7 can be sleeved at the lower end of the upper template 3, or the locking nuts 7 are arranged on the upper side and the lower side of the transverse plate of the upper template 3. When the fixing device is used, the upper template 3 is directly translated up and down, and after the upper template 3 is moved to a certain position, the locking nut 7 is rotated, so that the upper template 3 can be fixed at the position.
The concrete cushion block 8 is a cuboid, a notch 81 is formed in one side, facing the lower template 4, of the concrete cushion block 8, one side, provided with the notch 81, of the concrete cushion block 8 is arranged on a transverse plate of the lower template 4, and the lower end face of the concrete cushion block 8 and the lower end face of the lower template 4 are located on the same plane. The shape of the notch 81 is matched with the contact part of the lower template 4.
The concrete operation of beating the bundle and discharging the column in the step 4 is to beat the bundle on the structural layer 1 and on one side close to the upper template 3 and the lower template 4 by using a level meter, the beating bundle is preferably made of 1:3 cement mortar, then a cuboid columnar mark is smeared on the basis of the beating bundle, and the distance between the adjacent columnar marks is preferably 1.5 m. Before the mortar is finally suspected, secondary leveling is needed to prevent mortar shrinkage from affecting flatness.
One day before pouring the leveling layer 9 and the surface layer 10, watering and wetting for more than 12 hours, removing clear water after wetting and curing are finished, and simultaneously uniformly coating a layer of methyl cellulose on the surface of the base layer, wherein the methyl cellulose is scraped into fish scales by an iron trowel, and the thickness of the methyl cellulose is 2-5 mm.
The leveling layer 9 and the surface layer 10 are formed by pouring the melon and rice stone concrete, when pouring is carried out, the melon and rice stone surface layer is poured while the methyl cellulose is scraped, the melon and rice stone surface layer is scraped by a scraping bar, and then the melon and rice stone surface layer is longitudinally and transversely rolled for 3-5 times by a heavy iron roller till the surface is starched.
When the surface layer 10 is poured, the whole layer is paved without leaving construction joints, if the down time exceeds 4-5h, the joint of the condensed melon and rice stones is cleaned and treated before the pouring is continued, loose stones, mortar and the like are removed, the melon and rice stones are paved after being wetted and the interface agent is scraped, and the leveling and compacting work of the joints is checked, so that the joints cannot be shown.
After 1-2h of paving the melon and rice stones on the surface layer 10 and before initial setting of concrete, carrying out first smearing and pressing by using an iron trowel until cement slurry with the thickness of 1-2mm is extruded, checking the flatness of the surface layer by using a guiding rule after smearing and pressing, carrying out second smearing and pressing after finishing 'flattening' and before final setting of concrete, and avoiding showing foot marks after smearing and pressing so as to realize compact and flat surface without exposing stones, sand holes and smeared lines. When the surface of the melon and rice stone is laminated, the dry cement ash is not scattered to absorb moisture so as to prevent the surface layer from peeling.
When the customized template is dismantled, a hammer is used for tapping the concrete cushion 8 firstly, the concrete cushion 8 is taken out after the concrete cushion 8 is loosened, then the locking nut 7 is rotated, the upper template 3 is taken down, the spring 6 on the guide rod 5 is collected, and finally the lower template 4 is tapped to separate the concrete cushion 8 from the poured leveling layer 9 or the surface layer 10.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the present invention has been described in detail by referring to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (8)
1. A drainage ditch construction method is characterized by comprising the following steps: step 1, cleaning a concrete structure plate base layer to ensure the flatness of a structure layer; step 2, marking an indicating line parallel to the outer wall (2) or the guardrail base layer on the structural layer (1) according to the width of the required drainage ditch; step 3, installing a customized template, wherein the customized template comprises an upper template (3) matched with the length of the drainage ditch, a lower template (4) and a plurality of concrete cushion blocks (8) with one ends tightly attached to the outer wall (2) or the guardrail base layer, the upper template (3) is arranged above the lower template (4), and the upper template (3) and the lower template (4) are L-shaped and consist of a transverse plate and a vertical plate; a plurality of guide rods (5) which are vertically arranged are arranged on a transverse plate of the lower template (4) at intervals, the upper ends of the guide rods (5) penetrate through the transverse plate of the upper template (3) and extend out of the transverse plate, the upper template (3) can slide and be positioned along the axial direction of the guide rods (5), and the outer side of a vertical plate of the upper template (3) is clung to the inner side of the vertical plate of the lower template (4); the guide rods (5) are screw rods, a spring (6) is sleeved on the lower end of the upper template (3) and part of the guide rods (5), and a locking nut (7) which is in threaded fit with the guide rods (5) is sleeved on each guide rod (5) which is sleeved with the spring (6) and is arranged on the transverse plate of the upper template (3); after the height of the upper template (3) is adjusted to enable the vertical plate of the upper template to meet the set requirements of the process, the upper template (3) is fixed by a locking nut (7), the position of the upper template (3) can be adjusted, and the depth of the formed drainage ditch is further adjusted; during installation, placing one sides of transverse plates of the upper template (3) and the lower template (4) in the direction facing the outer wall (2) or the guardrail base layer, aligning the outer end face of the lower template (4) with the indicating line in the step 2, meanwhile, abutting one end of the concrete cushion block (8) against a vertical plate of the lower template (4), and abutting the other end of the concrete cushion block against the outer wall (2) or the guardrail base layer; step 4, leveling and snapping lines on the upper template (3) or the lower template (4) according to the set thicknesses of the leveling layer (9) and the surface layer (10), simultaneously punching a handle outlet column on the structural layer (1), wherein the leveling snapping lines and the handle outlet column are respectively used for marking the surface positions of the leveling layer (9) and the surface layer (10); step 5, pouring a leveling layer (9) and a surface layer (10); step 6, removing the customized template; and 7, maintaining the surface layer (10) and the leveling layer (9).
2. The drainage ditch construction method according to claim 1, wherein the upper template (3) and the lower template (4) are both angle steels in the customized template in step 3.
3. The drainage ditch construction method according to claim 1, wherein the concrete pad (8) is a rectangular body, a notch (81) is formed in one side of the concrete pad (8) facing the lower template (4), the side of the concrete pad (8) with the notch is placed on a transverse plate of the lower template (4), and the lower end face of the concrete pad (8) is in the same plane with the lower end face of the lower template (4).
4. The drainage ditch construction method according to claim 1, wherein the leveling layer (9) and the surface layer (10) are watered and wetted for more than 12 hours one day before pouring, clear water is removed after wetting and curing are completed, and a layer of methyl cellulose is uniformly coated on the surface of the base layer, wherein the methyl cellulose is scraped into fish scales by an iron trowel, and the thickness of the methyl cellulose is 2-5 mm.
5. The drainage ditch construction method according to claim 1, wherein the leveling layer and the surface layer are formed by pouring the guarseed stone concrete, the guarseed stone surface layer is poured while scraping the methyl cellulose, the guarseed stone surface layer is scraped by a scraping bar, and the guarseed stone surface layer is rolled back and forth by a heavy iron roller for 3-5 times in a longitudinal and transverse mode until the surface is starched.
6. A drainage ditch construction method according to claim 5, characterized in that the surface course (10) is poured, the surface course is integrally paved without leaving construction joints, for example, the stop time exceeds 4-5h, the coagulated melon and rice stone joints are cleaned and treated before the pouring is continued, loose stones, mortar and the like are removed, the melon and rice stone paving is carried out after the surface course is wetted and the joints are checked for floating compaction, and the joints are not shown.
7. The drainage ditch construction method according to claim 6, characterized in that after the melon and rice stones on the surface layer (10) are paved for 1-2 hours and before the concrete is initially set, an iron trowel is used for first plastering and pressing until cement slurry with the thickness of 1-2mm is extruded, a guiding rule is used for checking the flatness of the surface layer after plastering and pressing, second plastering and pressing are carried out after the first plastering and pressing is finished and before the concrete is finally set, foot prints cannot be produced after plastering and pressing, and the surface is compact and flat without exposing stones, sand holes and streaks.
8. The drainage ditch construction method according to claim 1, wherein when the customized template is removed, the concrete cushion (8) is tapped by a hammer to loosen the concrete cushion (8) and then the concrete cushion (8) is taken out, then the locking nut (7) is rotated, the upper template (3) is taken down and the springs (6) on the guide rods (5) are collected, and finally the lower template (4) is tapped to separate the concrete cushion from the poured leveling layer (9) or the surface layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811433665.6A CN109537822B (en) | 2018-11-28 | 2018-11-28 | Drainage ditch construction process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811433665.6A CN109537822B (en) | 2018-11-28 | 2018-11-28 | Drainage ditch construction process |
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| Publication Number | Publication Date |
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| CN109537822A CN109537822A (en) | 2019-03-29 |
| CN109537822B true CN109537822B (en) | 2020-11-06 |
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| CN201811433665.6A Active CN109537822B (en) | 2018-11-28 | 2018-11-28 | Drainage ditch construction process |
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| CN110387938A (en) * | 2019-08-15 | 2019-10-29 | 中冶建工集团有限公司 | Indoor drainage ditch construction technology |
| CN115450394A (en) * | 2022-09-23 | 2022-12-09 | 中国建筑第八工程局有限公司 | Building ground formwork structure without damaging ground base and construction method |
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| JP2010242367A (en) * | 2009-04-06 | 2010-10-28 | Nemii Kk | Mounting structure of solar battery panel |
| CN203755423U (en) * | 2014-04-10 | 2014-08-06 | 福建省闽南建筑工程有限公司 | Novel drainage ditch shaping device |
| CN204662288U (en) * | 2015-05-27 | 2015-09-23 | 中铁六局集团有限公司 | The simple and easy sliding formwork of rail yard longitudinal drainage ditch adjustment height |
| CN206392658U (en) * | 2016-12-19 | 2017-08-11 | 佛山佐尔汽车部件有限公司 | A kind of riveting die of automobile tail gate hinge installation bolt |
| CN206607762U (en) * | 2017-04-07 | 2017-11-03 | 湖州职业技术学院 | A kind of assembled cornices ditch structure |
| CN206902890U (en) * | 2017-05-25 | 2018-01-19 | 华恒建设集团有限公司 | A kind of basement drainage ditch |
| CN107386416A (en) * | 2017-07-31 | 2017-11-24 | 中国十七冶集团有限公司 | A kind of basement boulder is from draining construction method of ground |
| CN107700840A (en) * | 2017-09-30 | 2018-02-16 | 上海宝冶集团有限公司 | Formwork structure |
| CN207959434U (en) * | 2018-02-02 | 2018-10-12 | 厦门大学嘉庚学院 | Linear drainage ditch |
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