CN112962386A - ADG steel floor unit and laying method thereof - Google Patents
ADG steel floor unit and laying method thereof Download PDFInfo
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- CN112962386A CN112962386A CN202110183934.3A CN202110183934A CN112962386A CN 112962386 A CN112962386 A CN 112962386A CN 202110183934 A CN202110183934 A CN 202110183934A CN 112962386 A CN112962386 A CN 112962386A
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- steel floor
- slot
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 84
- 239000010959 steel Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 20
- 210000000078 claw Anatomy 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000004575 stone Substances 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 11
- 238000009408 flooring Methods 0.000 claims description 9
- 244000025254 Cannabis sativa Species 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 238000004873 anchoring Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000010902 straw Substances 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
- E01C9/083—Temporary pavings made of metal, e.g. plates, network
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
- E01C11/228—Gutters for porous pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2201/00—Paving elements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2201/00—Paving elements
- E01C2201/12—Paving elements vertically interlocking
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2201/00—Paving elements
- E01C2201/20—Drainage details
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2201/00—Paving elements
- E01C2201/20—Drainage details
- E01C2201/202—Horizontal drainage channels
- E01C2201/205—Horizontal drainage channels channels on the top
Abstract
The invention relates to the technical field of roadbed and pavement treatment, and discloses an ADG steel floor unit and a splicing method thereof, wherein the ADG steel floor unit comprises a plate body for forming the floor unit; the plate body is provided with a drain hole and/or a drain groove; two parallel edges of the plate body are respectively provided with a claw and a slot which are used for forming male and female matching; the hook claw and the slot are stably connected in an inserting mode; after the two adjacent plate bodies are connected with the slot through the hook claw, one of the plate bodies loses the freedom degree of movement relative to the vertical direction of the gap between the two adjacent plate bodies on the horizontal plane formed after splicing. The method comprises the following steps: leveling the ground, backfilling plain soil, rolling the plain soil, paving a sand and stone mixing layer, and paving an ADG steel floor unit; the invention solves the technical problems that the existing temporary built ground splicing layer is unstable in structure and is not firm and durable in material.
Description
Technical Field
The invention relates to the technical field of roadbed and pavement treatment, in particular to an ADG steel floor unit and a laying method thereof.
Background
The ADG steel floor unit in the prior art has excellent mechanical strength, higher strength, rigidity and impact resistance, stable bearing performance and 275-320 MPa of tensile strength of mechanical property, so that the ADG steel floor unit is 7-8 times of that of a pure plastic material; ADG steel in the prior art is mainly used for manufacturing scaffolds and is not applied to the field of roadbed and pavement construction. In the prior art, when a temporary runway is built, a layer of straw mat is usually paved on the ground, and then a floor unit is paved on the straw mat. The existing floor unit is generally simpler in structure, and a connecting structure for interconnection is not arranged between adjacent plates, so that the phenomenon of plate bias and dislocation frequently occurs after pavement laying is finished, and much inconvenience is brought to normal use.
Therefore, it is necessary to develop an ADG steel floor unit and a method for constructing the same to solve at least one of the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the defects that the existing temporary built ground splicing layer is unstable in structure and is not firm and durable in material, and provides an ADG steel floor unit and a splicing method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides an ADG steel floor unit comprising: a plate body for constituting a floor unit; the plate body is provided with a drain hole and/or a drain groove; two parallel edges of the plate body are respectively provided with a claw and a slot which are used for forming male and female matching; the hook claw and the slot are stably connected in an inserting mode; after the two adjacent plate bodies are connected with the slot through the hook claw, one of the plate bodies loses the freedom degree of movement relative to the vertical direction of the gap between the two adjacent plate bodies on the horizontal plane formed after splicing.
Preferably, two parallel edges of the plate body are respectively provided with a turned edge; the forming part of the turned edge is provided with the hook claw and/or the slot.
Preferably, the drain channel is arranged parallel to the parallel edges.
Preferably, the drainage groove has a circular arc or trapezoid cross section perpendicular to the length direction.
Preferably, the side of the drainage hole facing the ground is provided with a flange.
Preferably, the flange is an edge formed by opening and crimping the plate body made of the ADG steel.
Preferably, the shape of the hook claw and the shape of the slot form a mortise and tenon structure.
Preferably, the parallel sides are provided with welding connection parts; the welding connection part is used for fixedly connecting a splicing seam formed by splicing the two plate bodies in a welding mode.
In another aspect, the present invention also provides a method of laying an ADG steel floor unit, the method comprising the steps of:
step 1: the ground to be constructed is arranged to be flat; the arrangement comprises the steps of cleaning trees and waste materials on the construction ground and turf within 10cm of the ground surface in a mechanical operation mode;
step 2: backfilling the leveled ground roadbed soil to be constructed by adopting a plain soil backfilling construction method;
and step 3: rolling and flattening the backfilled pavement to be constructed by a plain soil rolling method;
and 4, step 4: paving a sand and stone mixing layer with the thickness of 6-10cm on the ground to be constructed formed after the grinding and leveling;
and 5: splicing the ADG steel floor unit on the sand-gravel mixed layer; the parts of two adjacent ADG steel floor units, which are provided with the hooks or the slots, are meshed in an inserting mode.
Preferably, in the step 5, a grass mat layer is laid between the sand and gravel mixed layer and the ADG steel floor unit.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the arrangement of the drainage holes and/or the drainage grooves on the plate body can fully meet the drainage operation requirement of a paved field in a rainy environment, the condition that the paved ground does not produce accumulated water to a greater extent can be avoided, and the influence of rainstorm weather on the normal use of the paved ground is avoided.
2. In the invention, the hook claws and the slots arranged on the parallel edges of the plate body can form stable connection in a male-female matching mode, so that the phenomenon that unit plates shift when the laid ADG steel floor unit bears a vehicle in the process of advancing and even an airplane which rises and falls is avoided.
3. According to the invention, the tenon-and-mortise structure is applied to the connection mode of the hook claw and the slot, the use effect that the ADG steel floor unit forms more stable connection at the adjacent splicing part can be obtained, and powerful structural guarantee is provided for realizing higher bearing capacity of the ADG steel floor unit.
4. The laying method of the ADG steel floor unit further provided by the invention not only meets the laying construction requirements of a temporary parking lot, but also further meets the construction requirements of temporary airport runways, and the ADG steel floor formed after laying has good bearing capacity, good drainage function and long service life.
5. The ADG steel floor unit also has the technical advantages of high structural strength, easy disassembly and assembly, long service life and reusability.
Drawings
FIG. 1 is a schematic structural view of an ADG steel floor unit according to the present invention;
FIG. 2 is a schematic view of the hook and the slot of FIG. 1;
FIG. 3 is a cross-sectional view of the drainage channel of FIG. 1 taken perpendicular to the direction of water diversion;
FIG. 4 is a schematic view of the drainage hole in a bottom view of the ADG steel floor unit of FIG. 1;
FIG. 5 is a schematic view of the welded connection of the ADG steel flooring unit of FIG. 1;
FIG. 6 is a schematic view of the connection of two ADG steel flooring units of FIG. 1;
FIG. 7 is a schematic structural view of an ADG steel floor unit according to example 2 of the present invention;
FIG. 8 is a schematic structural view showing an ADG steel floor unit in an anchored state in example 2 of the present invention;
fig. 9 is a schematic view showing a dimensional structure of an ADG steel floor unit for a temporary parking lot according to embodiment 3 of the present invention;
FIG. 10 is a schematic diagram of the dimensional structure of a small-sized ADG steel floor unit in example 3 of the present invention;
FIG. 11 is a left side view of the structure of FIG. 10;
FIG. 12 is a schematic diagram of the Abaqus finite element model structure of an ADG steel floor unit in example 3 of the present invention;
FIG. 13 is a graph showing 300kN/m under the model structure shown in FIG. 102A stress cloud chart under load and a maximum load position schematic diagram;
FIG. 14 shows 400kN/m2Stress cloud chart under load and maximum load position 400kN/m2A stress cloud chart under load and a maximum load position schematic diagram;
FIG. 15 is a top view of the construction of an ADG steel primary flooring unit of example 4 of the present invention;
fig. 16 is a cross-sectional view of a road surface after completion of construction in example 5 of the present invention.
Illustration of the drawings:
1. ADG steel plate; 2. a layer for mixing crushed stone and sand with the thickness of 6-10 cm; 3. an original ground line; 4. a compacted layer of fill; 5. digging a soil bottom surface; 100. a plate body; 110. a drain hole; 120. a drainage gutter; 130. a hook claw; 140. a slot; 111. a flange; 150. welding the connecting part; 160. a boss; DY, ADG steel basic floor units; JY and ADG steel end plate units; TK, a through hole for anchoring; m, U-shaped anchoring member.
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.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides an ADG steel floor unit including: a panel body 100 for constituting a floor unit; the plate body 100 is provided with a drainage hole 110 and/or a drainage groove 120; two parallel edges of the plate body 100 are respectively provided with a claw 130 and a slot 140 for forming male and female matching; the hook claw 130 and the slot 140 form a stable connection in an insertion manner; after two adjacent plate bodies 100 are connected with the slot 140 through the hook claw 130, one plate body 100 loses the freedom of movement in the vertical direction relative to the gap between the two adjacent plate bodies on the horizontal plane formed by splicing. In the laying, it is preferable to adopt the mounting method of the offset laying shown in fig. 1, and further, stable surface pavement laying can be achieved.
Preferably, as shown in fig. 1 and fig. 2, in one preferred technical solution of the present embodiment, two parallel edges of the plate body 100 are respectively provided with a turned edge; the fingers 130 and/or the insertion grooves 140 are provided at the formation portion of the curl.
Preferably, as shown in fig. 1, in one preferable embodiment of the present invention, the drainage groove is disposed parallel to the parallel sides.
Preferably, as shown in fig. 3, in one preferable embodiment of the present invention, an outer shape of a cross section of the drainage channel 120 perpendicular to the length direction is a circular arc shape or a trapezoidal shape.
Preferably, as shown in fig. 4, in one preferred embodiment of the present invention, a flange 111 is disposed on a side of the drainage hole 110 facing the ground.
Preferably, in one preferable technical solution of this embodiment, the flange is an edge formed by opening and crimping the plate body made of ADG steel.
Preferably, in one preferable technical solution of this embodiment, the shape of the hook and the slot form a mortise and tenon joint structure.
Preferably, as shown in fig. 5, in one preferred embodiment of the present invention, the parallel sides are provided with welding connection portions 150; the welding connection part 150 is used for fixedly connecting a splicing seam formed by splicing the two plate bodies in a welding manner. Preferably, the upper end surface of the plate body is provided with a boss 160 for further facilitating the welding connection of the plate body and the welding connection part 150.
In practical applications, as shown in fig. 6, the claw 130 of one ADG steel floor unit is inserted into the slot 140 of another ADG steel floor unit and then pushed forward to achieve the technical purpose of stable connection.
Example two:
as shown in fig. 7, the present embodiment provides an ADG steel floor unit used in a road paving application scenario; the ADG steel floor unit is manufactured according to the length size and the assembly using position respectively: an ADG steel basic floor unit DY and ADG steel end plate units JY used for laying two ends of a road surface; preferably, as shown in fig. 7, the ADG steel base floor unit DY is cut into two ADG steel end plate units JY for laying both ends of the road surface in a section perpendicular to the longitudinal direction in the present embodiment.
Further, as shown in fig. 8, in one preferred embodiment of the present embodiment, a through hole TK for anchoring is provided in the ADG steel primary floor unit DY and the ADG steel end plate unit JY; and after splicing, the two adjacent ADG steel floor units are anchored by the U-shaped anchoring part M so as to achieve a more stable laying effect. Preferably, in the through holes TK, the hole spacing between two adjacent through holes TK is 10 cm.
It should be noted that the structure of the anchoring member M is the prior art, and therefore, the details of the structure are not further illustrated and described herein.
Example three:
as shown in fig. 9, this embodiment provides an ADG steel floor unit manufactured by machining 2500 × 640 × 2mm plates, based on embodiment 1. The weight of the steel is 20kg, and the steel consumption is 12.5kg/m2. The method is mainly applied to the pavement of the parking lot road, and has the technical advantages of light weight, easy pavement operation and low steel consumption.
As shown in fig. 10 and 11, the load-bearing capacity of a single plate is calculated in this embodiment by taking an ADG steel floor unit of a small specification size as an example, and the units of the sizes marked in the drawings are millimeters. Firstly, an Abaqus finite element model of the ADG steel floor unit is constructed as shown in figure 12, the constraint conditions of the bottom surface of the plate are set to be hinged, the worst load is selected for calculation, and 300kN/m2The maximum stress under the surface load is 241.7MPa and 400kN/m2The maximum stress under surface load is 361.9 MPa. Are all obviously smaller than the stainless steel yield strength of 600 MPa. Wherein 300 kN-m2The stress cloud under load and the maximum load position are shown in figure 13; 400kN/m2The stress cloud under load and the maximum load position are shown in figure 14. It can be seen that the ADG steel flooring unit provided by the present invention has a sufficient degree of safety in terms of load bearing capacity.
Example four:
as shown in fig. 15, the present embodiment further provides an ADG steel floor unit based on the above embodiment, which differs from the above embodiment in terms of structure in that: the drain holes 110 are arranged in a staggered manner on the ADG steel base floor unit provided with the anchoring through-holes TK. It should be noted that the hole shape and the porous position arrangement design included in the porous arrangement structure of the drain hole in the present embodiment are not limited to the structural arrangement shown in the drawings, and any drain hole arrangement manner and single drain hole shape with any shape are all claimed in the present application.
Example five:
the present embodiment provides a method for laying an ADG steel floor unit, the method comprising the steps of:
step 1: the ground to be constructed is arranged to be flat; the arrangement comprises the steps of cleaning trees and waste materials on the construction ground and turf within 10cm of the ground surface in a mechanical operation mode;
step 2: backfilling the leveled ground roadbed soil to be constructed by adopting a plain soil backfilling construction method;
and step 3: rolling and flattening the backfilled pavement to be constructed by a plain soil rolling method;
and 4, step 4: paving a sand and stone mixing layer with the thickness of 6-10cm on the ground to be constructed formed after the grinding and leveling;
and 5: splicing the ADG steel floor unit on the sand-gravel mixed layer; the parts of two adjacent ADG steel floor units, which are provided with the hooks or the slots, are meshed in an inserting mode.
Preferably, in one preferable technical solution of this embodiment, in the step 5, a grass mat layer is laid between the mixed sand and gravel layer and the ADG steel floor unit.
Specifically, in view of the paving method using the ADG steel floor unit disclosed in this embodiment, taking paving as an example, and combining with the existing conditions, the following pavement treatment measures are to be taken before the ADG board is paved in this engineering, and the following operation steps are now detailed as follows:
1. site cleaning: according to the measuring sample application result, all trees, garbage, waste materials, turf and the like within 10cm below the natural ground in the construction site range are cleaned and abandoned by a bulldozer and other machines.
2. Backfilling of roadbed soil: the construction method of plain soil backfill is characterized by adopting a line production soil drying method, backfilling the soil excavated on two sides of the road groove into the road groove, paving, tedding, crushing, leveling and rolling. The soil prepared for backfilling outside the road groove can be tedded for the next time, and the preparation is made for backfilling the next section of the roadbed.
3. Leveling a roadbed: the following requirements must be met before plain soil rolling: the paving width and thickness meet the requirements, the particle size of the soil is not more than 15mm, and the longitudinal slope, the transverse slope, the flatness, the water content and the like meet the requirements. And during leveling, controlling the water content according to the season and the climate at the time, generally controlling the water content to be 1-2% higher than the optimal water content, stabilizing the pressure for 1-2 times by using a crawler type bulldozer or an 8-10T smooth-wheel road roller to expose the potential unevenness, leveling by using a leveling machine, pre-pressing for 1-2 times by using the 8-10T smooth-wheel road roller, and finally rolling by using a heavy road roller. The roadbed rolling process is strictly carried out according to the following regulations: the roadbed can be rolled after being leveled, the principle of firstly light and then heavy, and firstly slow and then fast is adhered to, the roadbed is rolled from the edge to the middle, and for the ultrahigh road section, the rolling width is larger than or equal to the width of the roadbed plus 0.5M, and the overlapping width between wheel tracks is generally 1/2 wheel widths.
4. After leveling, a 6-10cm thick gravel and sand mixing layer is laid on the upper surface, the grain size is thick, the thickness of the mixing layer to be made is small (if the grain size is thick, the mixing layer is not easy to level), and the grain size is small, so that the mixing layer can be made to be thin. And paving the ADG steel floor unit on the mixed layer, and sinking the steel plate groove into the sandstone mixed layer so as to increase the stability of the ADG steel floor unit. The cross-sectional view of the pavement formed after the completion of the operation is shown in fig. 16, which includes: the method comprises the following steps of 1 ADG steel plate, 6-10cm thick broken stone, a sand mixing layer 2, an original ground line 3, a filling soil compaction layer 4 and an excavation bottom surface 5.
In practical application, the ADG steel floor units are conveniently and quickly laid, the ground which is simply and flatly paved can be constructed, and the width of the temporary road can be expanded by staggered arrangement of each ADG steel floor unit. When in construction, a certain amount of cushions are paved according to requirements, and the cushions can be driven into the ground by U-shaped buttons to be integrally reinforced or welded for reinforcement. Alternatively, a mat such as a grass mat may be applied to the mat. Each rectangular steel plate has punched hooks or holes on its 4 sides, and the whole airport is formed by connecting the hooks and holes together. All the steel plates are padded with 6 to 8 cm thick straw underneath for leveling or preventing shifting.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. An ADG steel floor unit, comprising: a plate body for constituting a floor unit; the plate body is provided with a drain hole and/or a drain groove; two parallel edges of the plate body are respectively provided with a claw and a slot which are used for forming male and female matching; the hook claw and the slot are stably connected in an inserting mode; after the two adjacent plate bodies are connected with the slot through the hook claw, one of the plate bodies loses the freedom degree of movement relative to the vertical direction of the gap between the two adjacent plate bodies on the horizontal plane formed after splicing.
2. The ADG steel flooring unit according to claim 1, wherein two parallel sides of the plate body are provided with beads, respectively; the forming part of the turned edge is provided with the hook claw and/or the slot.
3. The ADG steel floor unit according to claim 1, wherein the drainage gutter is provided in parallel to the parallel sides.
4. The ADG steel floor unit according to claim 3, wherein the drainage groove has a cross-sectional shape perpendicular to the longitudinal direction of a circular arc or a trapezoid.
5. The ADG steel floor unit according to claim 1, wherein a side of the drain hole facing a floor surface is provided with a flange.
6. An ADG steel flooring unit as claimed in claim 5, wherein the flange is an edge of the panel body of ADG steel that has been apertured and crimped.
7. The ADG steel flooring unit of claim 1, wherein the hook and slot profiles form a mortise and tenon joint.
8. An ADG steel flooring unit as claimed in claim 1, wherein the parallel edges are provided with welded connections; the welding connection part is used for fixedly connecting a splicing seam formed by splicing the two plate bodies in a welding mode.
9. A method of laying an ADG steel flooring unit, the method comprising the steps of:
step 1: the ground to be constructed is arranged to be flat; the arrangement comprises the steps of cleaning trees and waste materials on the construction ground and turf within 10cm of the ground surface in a mechanical operation mode;
step 2: backfilling the leveled ground roadbed soil to be constructed by adopting a plain soil backfilling construction method;
and step 3: rolling and flattening the backfilled pavement to be constructed by a plain soil rolling method;
and 4, step 4: paving a sand and stone mixing layer with the thickness of 6-10cm on the ground to be constructed formed after the grinding and leveling;
and 5: splicing the ADG steel floor unit of any one of claims 1 to 8 on the mixed sand layer; the parts of two adjacent ADG steel floor units, which are provided with the hooks or the slots, are meshed in an inserting mode.
10. The method of claim 9, wherein in step 5, a grass mat is laid between the mixed sand and gravel layer and the ADG steel floor unit.
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| CN202110183934.3A CN112962386A (en) | 2021-02-10 | 2021-02-10 | ADG steel floor unit and laying method thereof |
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| CN202110183934.3A CN112962386A (en) | 2021-02-10 | 2021-02-10 | ADG steel floor unit and laying method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934497A (en) * | 2022-06-30 | 2022-08-23 | 中国二十二冶集团有限公司 | Construction method of disc-buckle type scaffold plain soil tamped foundation |
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Application publication date: 20210615 |