CN109385977B - Anti-cracking concrete panel and construction method thereof - Google Patents
Anti-cracking concrete panel and construction method thereof Download PDFInfo
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- CN109385977B CN109385977B CN201811384380.8A CN201811384380A CN109385977B CN 109385977 B CN109385977 B CN 109385977B CN 201811384380 A CN201811384380 A CN 201811384380A CN 109385977 B CN109385977 B CN 109385977B
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- 238000005336 cracking Methods 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 239000000835 fiber Substances 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000004049 embossing Methods 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004901 spalling Methods 0.000 claims 2
- 238000005299 abrasion Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/068—Landing stages for vessels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to an anti-cracking concrete panel, which comprises a wearing layer and a concrete layer which are sequentially laminated from top to bottom, wherein a steel frame assembly is arranged in the concrete layer, the steel frame assembly comprises two fixing plates, the two fixing plates are vertically arranged and are oppositely arranged, the two fixing plates are detachably connected through a plurality of connecting pieces arranged between the two fixing plates to form a rectangular steel frame, a plurality of steel bars are horizontally arranged between the two fixing plates, and two ends of each steel bar are respectively connected with corresponding sides of the two fixing plates through the fixing pieces; the invention also comprises a construction method of the concrete panel. The concrete panel has the beneficial effects of simplicity in operation, better anti-cracking effect, long service life and cost saving.
Description
Technical Field
The invention relates to the technical field of wharf deck concrete, in particular to an anti-cracking concrete deck and a construction method thereof.
Background
The dock face plate comprises a concrete structure and a wearing layer positioned at the uppermost part, under the long-term actions of natural environment and vehicle load, the wearing layer concrete is restrained by the poured dock face layer, and the concrete is extremely easy to crack due to the fact that the temperature stress generated by large temperature difference and the tensile stress caused by the drying shrinkage exceed the tensile strength of the concrete, so that adverse effects are caused on the service function, appearance quality and durability of the concrete structure. Long-term maintenance is required after the wearing layer is cracked, and the wearing layer with more serious cracking is required to be milled and paved again, so that the operation is complex, time and labor are wasted, and the cost is high.
In addition, the steel frame component in the concrete layer is generally provided with a plurality of steel bars which are staggered to form a grid shape, and the intersection place of any two steel bars is fixed by adopting a fixed iron wire, so that the preparation work is complex, and the installation is inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem of providing an anti-cracking concrete panel and a construction method thereof, which are simple to operate, have good anti-cracking effect, long service life and cost saving.
The technical scheme for solving the technical problems is as follows:
the utility model provides an anticracking concrete panel, includes from last wearing and tearing layer and the concrete layer of stacking gradually down, be equipped with the steelframe subassembly in the concrete layer, the steelframe subassembly includes two fixed plates, two the fixed plate is all vertical to be set up, and the two sets up relatively, two the fixed plate is connected with the steelframe that forms a cuboid form through a plurality of connecting pieces that set up between the two, two still the level is provided with many steel bars between the fixed plate, every the both ends of steel bar are connected with two through the corresponding side of fixed plate respectively.
The beneficial effects of the invention are as follows: the two fixing plates are detachably connected through the connecting piece, the two ends of the reinforcing steel bar are respectively connected through the two fixing pieces, the disassembly and the assembly are convenient, and the construction efficiency is improved; the invention has simple structure, the steel frame component can increase the weight born by the concrete layer and prolong the service life of the concrete layer; the wearing layer can prolong the wearing time of the concrete panel and save the cost.
On the basis of the technical scheme, the invention can be improved as follows.
Further, each connecting piece comprises a sleeve, a connecting rod and a positioning piece, wherein the connecting rod
The connecting rod is corresponding to the sleeve and stretches into the sleeve from the opening end and is in sliding connection with the sleeve, the connecting rod slides along the length direction corresponding to the sleeve, the locating piece fixing piece is installed on the sleeve and is used for fixing the connecting rod at any position of the sliding track of the connecting rod, and one ends, far away from each other, of the connecting rod and the sleeve are respectively connected with one sides, close to each other, of the two fixing plates so as to adjust the distance between the two fixing plates.
The beneficial effect of adopting above-mentioned further scheme is that the corresponding end of the second body of rod slides to optional position in the spout to fix a position through the setting element, easy and simple to handle, in order to adjust the interval between two fixed plates, thereby be applicable to the concrete panel of different thickness, the usability is stronger.
Further, the positioning piece is a locking screw, and each sleeve is close to the position of the open end
The screw hole penetrating through the side wall of the sleeve is arranged and matched with the locking screw, one end of the locking screw far away from the nut stretches into the screw hole corresponding to the sleeve and is in threaded connection with the screw hole, the locking screw is screwed down until one end of the locking screw far away from the nut stretches into the sleeve and is abutted with the corresponding connecting rod, so that the connecting rod is fixed, or the locking screw is unscrewed until one end of the locking screw far away from the nut is far away from the corresponding connecting rod, so that the corresponding connecting rod is loosened.
The beneficial effect of adopting above-mentioned further scheme is that the corresponding end of connecting rod slides to the optional position in the sleeve, then fixes a position through the locking screw, adjusts convenient and fast to adjust the distance between two fixed plates, so as to be applicable to the concrete panels of different specifications.
Further, the fixing parts are annular blocks, and two fixing parts corresponding to each steel bar are arranged
The two fixing plates are oppositely arranged on one sides, close to each other, of the two fixing plates respectively, one end of each fixing piece is connected and fixed with the corresponding position of the corresponding fixing plate, the other end of each fixing piece faces the other fixing plate, each reinforcing rib is located between the corresponding two fixing pieces respectively, and two ends of each reinforcing rib extend into the holes of the corresponding two fixing pieces respectively.
The beneficial effect of the adoption of the further scheme is that the annular fixing piece is used for fixing the two ends of the steel bar
Carry out spacing fixed, equipment convenient and fast, labour saving and time saving, efficiency of construction improves greatly.
Further, polyvinyl alcohol fibers and steel-like fibers are doped in the wearing layer.
The adoption of the further scheme has the beneficial effects of effectively reducing the danger of concrete crack generation
High tensile, bending and bending strength of the concrete, and ensures the quality of the concrete panel.
Further, the mixing amount of the vinyl alcohol fiber is 0.5-0.9 kg/m, and the mixing amount of the steel-like fiber is 2.5-3.5 kg/m.
Further, the thickness of the wearing layer is 7-10 cm.
The construction method of the anti-cracking concrete panel comprises the following steps:
s1: placing the well-formed steel frame assembly in a pouring mold;
s2: pouring concrete into the pouring mould, paving, leveling and compacting to form
Forming the concrete layer;
s3: after the concrete layer is formed, pouring the wearing layer at the upper end of the concrete layer;
s4: after initial setting, the wearing layer needs to be plastered for multiple times, and the time interval of each plastering is as follows
30-60 min/time;
s5: embossing by adopting a pavement embossing machine;
s6: the wearing layer needs to be subjected to spray maintenance for a plurality of times in the process from initial setting to final setting, and each time the wearing layer is sprayed
The time interval of fog curing is 2-3 days/time.
The construction method is simple, the anti-cracking effect of the wearing layer is good, the later maintenance times are reduced, the cost is saved, and the quality of the concrete panel is effectively improved.
Further, the pouring die consists of channel steel and two door plates, and the channel steel is horizontally arranged and is provided with two door plates
The notch is upwards, two the door plant sets up respectively the both ends of channel-section steel, with the both ends of channel-section steel are sealed, channel-section steel and two the door plant forms the die cavity. The adoption of the further scheme has the beneficial effects that the formwork erection is convenient and quick, and the stability of the channel steel is good.
Further, a cement bag or a plastic film for preventing concrete leakage is arranged at the bottom of the channel steel.
The adoption of the further scheme has the beneficial effects of effectively preventing concrete loss and saving the joints in the pouring process
About cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a steel frame assembly according to the present invention;
fig. 3 is a schematic structural view of the telescopic rod assembly according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. wearing layer 2, concrete layer, 3, steelframe subassembly, 31, fixed plate, 32, connecting piece, 321, sleeve, 322, connecting rod, 323, setting element, 33, reinforcing bar, 34, mounting, 35, screw.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings and specific embodiments, the examples being provided for illustration only and not for the purpose of limiting the invention.
As shown in fig. 1 to 3, the invention provides an anti-cracking concrete panel, which comprises a wearing layer 1 and a concrete layer 2 which are sequentially laminated from top to bottom, wherein the thickness of the concrete layer 2 is about 18-22 cm, the thickness of the wearing layer 1 is 7-8 cm, a steel frame assembly 3 is arranged in the concrete layer 2, the steel frame assembly 3 comprises two fixing plates 31, the two fixing plates 31 are vertically arranged and are oppositely arranged, the two fixing plates 31 are detachably connected through a plurality of connecting pieces 32 arranged between the two fixing plates to form a rectangular steel frame, and the anti-cracking concrete panel is convenient to disassemble and assemble; a plurality of reinforcing bars 33 are horizontally arranged between the two fixing plates 31, and two ends of each reinforcing bar 33 are respectively connected with corresponding sides of the two fixing plates 31 through two fixing pieces 34. In the process of assembling the steel frame assembly 3, the two fixing plates 31 are detachably connected through the connecting piece 32, the two ends of the reinforcing steel bars 33 are respectively connected through the two fixing pieces 34, so that the assembly and the disassembly are convenient, and the construction efficiency is improved; the invention has simple structure, the steel frame component 3 can increase the weight born by the concrete layer 2 and prolong the service life thereof; the wearing layer 1 can prolong the wearing time of the concrete panel and save the cost.
In the present invention, each of the connection members 32 includes a sleeve 321, a connection rod 322 and a positioning member 323,
one end of the connecting rod 322 extends into the corresponding sleeve 321 from the opening end thereof and is in sliding connection with the corresponding sleeve 321, the connecting rod 322 slides along the length direction of the corresponding sleeve 321, the positioning piece 323 is arranged on the corresponding sleeve 321 and is used for fixing the connecting rod 322 at any position of the sliding track of the connecting rod, one ends of the connecting rod 322 and the sleeve 321, which are far away from each other, are respectively connected with one sides of the two fixing plates 31, which are close to each other, so that the distance between the two fixing plates 31 is adjusted, and the connecting rod is suitable for concrete panels with different thicknesses and has strong usability. The specific connection manner between the corresponding ends of the sleeve 321 and the corresponding ends of the connecting rod 322 and the corresponding sides of the two fixing plates 31 is as follows: screw holes are respectively formed at the corresponding ends of the sleeve 321 and the connecting rod 322, a plurality of through holes with internal threads corresponding to the screw holes are respectively formed on the two fixing plates 31, and the screws 35 are screwed into the through holes and the corresponding screw holes so as to fix the corresponding ends of the sleeve 321 and the connecting rod 322 with the two fixing plates 31 respectively.
In the invention, the fixing piece 34 is an annular block, and preferably adopts a cylindrical fixing piece 34 and each piece of steel
The two corresponding fixing pieces 44 of the ribs 33 are respectively and oppositely arranged at one side of the two fixing plates 31, which is close to each other, one end of each fixing piece 34 is connected and fixed with the corresponding position of the corresponding fixing plate 31, a welding mode is generally adopted, the other end of each fixing piece faces the other fixing plate 31, each reinforcing rib 33 is respectively positioned between the corresponding two fixing pieces 34, two ends of each reinforcing rib 33 respectively extend into the holes of the two fixing pieces 34, the assembly of the reinforcing rib 33 is convenient and quick, the disassembly and the assembly are convenient, the time and the labor are saved, and the construction efficiency is high.
The construction method of the anti-cracking concrete panel comprises the following steps:
s1: the pouring mould consists of a channel steel and two door plates, the channel steel is horizontally arranged and the notch of the channel steel is upward,
the two door plates are respectively arranged at two ends of the channel steel to seal the two ends of the channel steel, and the channel steel and the two door plates form a die cavity; in addition, a plurality of fixed channel steels are arranged at intervals along the long side direction of the channel steel, so that the channel steel is prevented from loosening up and down or left and right, a cement bag plastic film for preventing concrete leakage is arranged at the bottom of the channel steel, and a well-formed steel frame assembly 3 is placed in a pouring die;
the elevation of the upper end of the concrete panel is accurately positioned by a measurer by using a level gauge, and as the elevation of the concrete layer 2 finally influences the elevation of the wearing layer 1, the elevation requirement is accurate, the error is within 2mm, the gradient is smooth, and the side template is kept moist before concrete is poured;
s2: pouring concrete into the pouring mold, and paving, leveling and compacting the concrete to form a mixture
A concrete layer 2; and (3) vibrating the slurry by using a vibrating rod during paving, and finally trimming and strickling the slurry by using an ash shovel to carry out slurry collection treatment. And proper roughening treatment is carried out, wherein the roughening depth is 3+/-1 mm;
s3: after 7 days, the wearing layer 1 is poured, and the concrete layer 2 is sprayed and wetted before pouring
Polyvinyl alcohol fibers (0.5-0.9 kg/m) and imitation steel fibers (2.5-3.5 kg/m) are doped into the wearing layer 1, the upper end of the wearing layer 1 is inclined in the length 5m direction (3 cm height difference), spreading of the wearing layer 1 needs to be carried out in sections, each time the length is controlled to be about 2m, flattening is carried out by a roller and vibrating is carried out by a vibrating plate for compaction, and after the concrete layer 2 is formed, the wearing layer 1 is poured at the upper end of the concrete layer 2;
s4: initial setting (after about 45 min) of wearing layer 1 is followed by at least two subsequent coats
The secondary water collection and plastering is carried out, and the interval time of the water collection and plastering is about 30-60 min/1 time; the water collecting and plastering is related to factors such as sunlight, wind power, water-cement ratio and the like besides the construction temperature at the time, and the actual operation is required to be determined according to the situation;
s5: texture of wearing layer 1 surface for good slip resistance of wearing layer 1 surface
Embossing can be performed by adopting a pavement embossing machine; the embossing time should be mastered in time, and the embossing is generally finished before the initial setting of the concrete by trowelling and grouting for half an hour, slightly pressing with fingers to feel soft, and ensuring that the cement paste is not sticky; during construction, the guide channel steel is required to control the smoothness of textures, the depth is uniform, stones or coarse sand cannot float on the surface, and the depth of the notch is about 2-3 mm;
the pouring mold is generally removed about 24 hours after molding, and when the pouring mold is removed, the pouring mold support is firstly started, and then the flat head iron rod is inserted into the inner side of the top end of the pouring mold, and the pouring mold is slowly lifted outwards to be pried. When the concrete is pried, the concrete corners and the rabbets cannot be damaged.
S6: the wearing layer 1 needs to be subjected to spray maintenance for a plurality of times in the process from initial setting to final setting, and each time of spray
The maintenance time interval is 2-3 days/time; the wearing layer 1 is initially set to the final setting intermediate section, and after finishing, the health preserving can be carried out, and the period from the initial setting to the final setting is carried out by adopting spray health preserving; and (5) covering, moisturizing and preserving by using geotextile after the wearing layer 1 is finally set, wherein the preserving time is not less than 14 days.
It should be noted that, the wearing layer 1 includes a cementing material, a coarse aggregate, a fine aggregate, an admixture and fibers, the cementing material is cement, the fibers include polyvinyl alcohol fibers and steel-imitating fibers, and the polyvinyl alcohol fibers: cement = 2.25 per mill, imitation steel fiber: cement = 7.5%. The polyvinyl alcohol fiber and the steel-like fiber can effectively reduce the danger of concrete crack generation, improve the tensile strength, bending resistance and flexural strength of concrete, and ensure the quality of concrete panels.
In the invention, cement with slow hydration and better ductility is selected as the concrete raw material to reduce cracking; the concrete is prepared from granite gravels with good grading of 5-25 mm; the retarding type high-performance water reducer is adopted. The concrete has good workability, namely fluidity, cohesiveness, stability and plasticity; the concrete of the wearing layer 1 has good wear resistance, and the concrete of the wearing layer 1 is not suitable to be doped with fly ash which influences the wear resistance of the concrete. Proper amount of high-quality fly ash is added into the concrete of the concrete layer 2, so that the single-component cement consumption, sand rate and single-component water consumption can be effectively reduced, the early strength of the concrete is prevented from being excessively fast increased, and the adiabatic temperature rise of the concrete is reduced. In order to improve the wear resistance of the concrete, the concrete of the wearing layer 1 is preferably made of pure cement, and the proper dosage of cementing materials is selected to solve the influence of the temperature deformation and chemical shrinkage of the concrete on early concrete cracking; PVA fiber and imitation steel fiber are doped to strengthen the shock load resistance of concrete and to solve the problem of plastic shrinkage crack of concrete.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. A construction method of an anti-cracking concrete panel is characterized by comprising the following steps: the concrete comprises a wearing layer (1) and a concrete layer (2) which are sequentially stacked from top to bottom, wherein a steel frame assembly (3) is arranged in the concrete layer (2), the steel frame assembly (3) comprises two fixing plates (31), the two fixing plates (31) are vertically arranged and are distributed at intervals, the two fixing plates (31) are detachably connected through a plurality of connecting pieces (32) arranged between the two fixing plates to form a rectangular steel frame, a plurality of reinforcing ribs (33) are horizontally arranged between the two fixing plates (31), and two ends of each reinforcing rib (33) are connected with corresponding sides of the two fixing plates (31) through fixing pieces (34) respectively;
the fixing piece (34) is an annular block, and two fixing pieces are corresponding to each reinforcing rib (33)
The fixing pieces (34) are respectively and oppositely arranged at one side of the two fixing plates (31) which are close to each other, one end of each fixing piece (34) is connected and fixed with the corresponding position of the corresponding fixing plate (31), the other end of each fixing piece faces the other fixing plate (31), each reinforcing rib (33) is respectively positioned between the corresponding two fixing pieces (34), and two ends of each reinforcing rib respectively extend into holes of the corresponding two fixing pieces (34);
each connecting piece (32) comprises a sleeve (321), a connecting rod (322) and a positioning piece
(323) One end of the connecting rod (322) extends into the sleeve (321) from the opening end corresponding to the sleeve and is in sliding connection with the sleeve, the connecting rod (322) slides along the length direction corresponding to the sleeve (321), the positioning piece (323) is arranged on the sleeve (321) corresponding to the positioning piece, the positioning piece is used for fixing the connecting rod (322) at any position of the sliding track of the positioning piece, and one ends, far away from each other, of the connecting rod (322) and the sleeve (321) are respectively connected with one sides, close to each other, of the two fixing plates (31) so as to adjust the distance between the two fixing plates (31);
the construction method of the anti-cracking concrete panel comprises the following steps:
s1: placing the well-formed steel frame assembly (3) in a pouring die;
s2: pouring concrete into the pouring mould, paving, leveling and compacting to form
-forming said concrete layer (2);
s3: after the concrete layer (2) is molded, pouring the concrete layer (2) at the upper end
-the wearing layer (1);
s4: after initial setting, the wearing layer (1) needs to be plastered for a plurality of times, and the time interval of each plastering is as follows
30-60 min/time;
s5: embossing by adopting a pavement embossing machine;
s6: the wearing layer (1) needs to be subjected to spray maintenance for a plurality of times in the process from initial setting to final setting,
the time interval of each spray curing is 2-3 days/time.
2. The method for constructing an anti-cracking concrete panel according to claim 1, wherein: the locating piece (323) is a locking screw, each sleeve (321) is provided with a screw hole penetrating through the side wall of the sleeve and matched with the locking screw at the position close to the opening end, one end of the locking screw, far away from the nut, extends into the screw hole corresponding to the sleeve (321) and is in threaded connection with the locking screw, one end of the locking screw, far away from the nut, extends into the sleeve (321) and is in butt joint with the corresponding connecting rod (322), so that the connecting rod (322) is fixed, or the locking screw is unscrewed, far away from the nut, from the corresponding connecting rod (322), so that the corresponding connecting rod (322) is loosened.
3. The method for constructing an anti-cracking concrete panel according to claim 1, wherein: polyvinyl alcohol fibers and steel-like fibers are doped in the wearing layer (1).
4. A method of constructing an anti-spalling concrete panel according to claim 3, wherein: the mixing amount of the vinyl alcohol fiber is 0.5-0.9 kg/m, the mixing amount of the imitated steel fiber is 2.5-3.5 kg/m.
5. A method of constructing an anti-spalling concrete panel according to claim 3, wherein: the thickness of the abrasion layer (1) is 7-10 cm.
6. The method for constructing an anti-cracking concrete panel according to claim 1, wherein: the pouring die consists of a channel steel and two door plates, wherein the channel steel is horizontally arranged, the notch of the channel steel faces upwards, and the two door plates are respectively arranged at two ends of the channel steel so as to seal and enclose the two ends of the channel steel to form a die cavity with an open upper end.
7. The method for constructing an anti-cracking concrete panel according to claim 6, wherein: the bottom of the channel steel is provided with a cement bag or a plastic film for preventing concrete leakage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811384380.8A CN109385977B (en) | 2018-11-20 | 2018-11-20 | Anti-cracking concrete panel and construction method thereof |
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| CN201811384380.8A CN109385977B (en) | 2018-11-20 | 2018-11-20 | Anti-cracking concrete panel and construction method thereof |
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| CN109385977B true CN109385977B (en) | 2024-04-05 |
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Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09296606A (en) * | 1996-04-30 | 1997-11-18 | Tohoku Shizai Kogyo Kk | Structure of concrete form |
| CA2303584A1 (en) * | 2000-03-30 | 2001-09-30 | Ludwig Osfolk | Bracket for constructing modular deck or dock |
| JP2002121748A (en) * | 2000-10-16 | 2002-04-26 | Sumitomo Metal Steel Products Inc | Dwelling house foundation |
| JP2004052522A (en) * | 2002-07-22 | 2004-02-19 | Zenoa:Kk | Reinforcing bar installing instrument and reinforcing bar with installing instrument |
| US6708362B1 (en) * | 1988-05-13 | 2004-03-23 | John H. Allen | Load bearing concrete panel construction |
| JP2005002594A (en) * | 2003-06-10 | 2005-01-06 | Dps Bridge Works Co Ltd | Structure of joint between corrugated steel web and concrete floor slab in corrugated steel web pc bridge |
| CN1715580A (en) * | 2005-07-04 | 2006-01-04 | 田长明 | Dismantling-free internal and external wall heat insulation decoration formwork and its construction method |
| JP2007016594A (en) * | 2006-10-26 | 2007-01-25 | Nippon Steel Corp | Synthetic panel structure, panel bridge structure, and construction method for continuous synthetic beam bridge |
| JP2008156934A (en) * | 2006-12-25 | 2008-07-10 | Nippon Steel Corp | Lining plate |
| CN201172796Y (en) * | 2008-04-03 | 2008-12-31 | 长安大学 | Steel box girder bridge deck structure with upper longitudinal ribs |
| CN201883600U (en) * | 2010-12-02 | 2011-06-29 | 西安建筑科技大学 | Fiber reinforced plastic (FRP) and concrete composite board |
| KR20110128401A (en) * | 2010-05-24 | 2011-11-30 | (주)한맥기술 | Connecting structure and method of concrete slabs using bottom slab having dowel bars and drainage channel |
| CN103225406A (en) * | 2013-05-13 | 2013-07-31 | 中建五局第三建设有限公司 | Multi-layer oversized-area reinforced concrete ground seamless construction method |
| US8567153B1 (en) * | 2011-04-21 | 2013-10-29 | Spray Rock Llc | Composite concrete and framing system and method for building construction |
| CN104674985A (en) * | 2015-01-19 | 2015-06-03 | 北京振利节能环保科技股份有限公司 | Non-dismantling die cast-in-place lightweight thermal insulation wall formboard, thermal insulation wall and construction method thereof |
| CN104805767A (en) * | 2015-05-06 | 2015-07-29 | 山东大学 | Prefabricated assembly FRP-reinforcing steel-bar-concrete combined bridge deck and construction method |
| CN105714986A (en) * | 2016-03-14 | 2016-06-29 | 江苏建筑职业技术学院 | Shear wall steel bar limit installation device and using method |
| CN105927626A (en) * | 2016-07-07 | 2016-09-07 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Adjustable fastening device for concrete pole cracks |
| CN106965299A (en) * | 2017-05-15 | 2017-07-21 | 沈阳建筑大学 | A kind of prefabricated concrete structure grout sleeve precise alignment die device |
| CN206888340U (en) * | 2017-06-13 | 2018-01-16 | 浙江索纳塔建筑材料有限公司 | A kind of steam pressurized sheet material of crack resistance type |
| CN107653894A (en) * | 2017-07-25 | 2018-02-02 | 浙江省建工集团有限责任公司 | A kind of construction technology that foundation platform is made by precast concrete |
| CN207144248U (en) * | 2017-08-04 | 2018-03-27 | 上海思优建筑科技有限公司 | A kind of assembled architecture wall |
| CN108330902A (en) * | 2018-01-04 | 2018-07-27 | 中交烟台环保疏浚有限公司 | The cast-in-place bottom end rail construction method of long piled wharf |
| CN108625389A (en) * | 2018-05-30 | 2018-10-09 | 五冶集团上海有限公司 | A kind of rim of a cup basis internal model panel assembly |
| CN209456964U (en) * | 2018-11-20 | 2019-10-01 | 广东省长大公路工程有限公司 | A kind of anti-crack concrete panel |
-
2018
- 2018-11-20 CN CN201811384380.8A patent/CN109385977B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6708362B1 (en) * | 1988-05-13 | 2004-03-23 | John H. Allen | Load bearing concrete panel construction |
| JPH09296606A (en) * | 1996-04-30 | 1997-11-18 | Tohoku Shizai Kogyo Kk | Structure of concrete form |
| CA2303584A1 (en) * | 2000-03-30 | 2001-09-30 | Ludwig Osfolk | Bracket for constructing modular deck or dock |
| JP2002121748A (en) * | 2000-10-16 | 2002-04-26 | Sumitomo Metal Steel Products Inc | Dwelling house foundation |
| JP2004052522A (en) * | 2002-07-22 | 2004-02-19 | Zenoa:Kk | Reinforcing bar installing instrument and reinforcing bar with installing instrument |
| JP2005002594A (en) * | 2003-06-10 | 2005-01-06 | Dps Bridge Works Co Ltd | Structure of joint between corrugated steel web and concrete floor slab in corrugated steel web pc bridge |
| CN1715580A (en) * | 2005-07-04 | 2006-01-04 | 田长明 | Dismantling-free internal and external wall heat insulation decoration formwork and its construction method |
| JP2007016594A (en) * | 2006-10-26 | 2007-01-25 | Nippon Steel Corp | Synthetic panel structure, panel bridge structure, and construction method for continuous synthetic beam bridge |
| JP2008156934A (en) * | 2006-12-25 | 2008-07-10 | Nippon Steel Corp | Lining plate |
| CN201172796Y (en) * | 2008-04-03 | 2008-12-31 | 长安大学 | Steel box girder bridge deck structure with upper longitudinal ribs |
| KR20110128401A (en) * | 2010-05-24 | 2011-11-30 | (주)한맥기술 | Connecting structure and method of concrete slabs using bottom slab having dowel bars and drainage channel |
| CN201883600U (en) * | 2010-12-02 | 2011-06-29 | 西安建筑科技大学 | Fiber reinforced plastic (FRP) and concrete composite board |
| US8567153B1 (en) * | 2011-04-21 | 2013-10-29 | Spray Rock Llc | Composite concrete and framing system and method for building construction |
| CN103225406A (en) * | 2013-05-13 | 2013-07-31 | 中建五局第三建设有限公司 | Multi-layer oversized-area reinforced concrete ground seamless construction method |
| CN104674985A (en) * | 2015-01-19 | 2015-06-03 | 北京振利节能环保科技股份有限公司 | Non-dismantling die cast-in-place lightweight thermal insulation wall formboard, thermal insulation wall and construction method thereof |
| CN104805767A (en) * | 2015-05-06 | 2015-07-29 | 山东大学 | Prefabricated assembly FRP-reinforcing steel-bar-concrete combined bridge deck and construction method |
| CN105714986A (en) * | 2016-03-14 | 2016-06-29 | 江苏建筑职业技术学院 | Shear wall steel bar limit installation device and using method |
| CN105927626A (en) * | 2016-07-07 | 2016-09-07 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Adjustable fastening device for concrete pole cracks |
| CN106965299A (en) * | 2017-05-15 | 2017-07-21 | 沈阳建筑大学 | A kind of prefabricated concrete structure grout sleeve precise alignment die device |
| CN206888340U (en) * | 2017-06-13 | 2018-01-16 | 浙江索纳塔建筑材料有限公司 | A kind of steam pressurized sheet material of crack resistance type |
| CN107653894A (en) * | 2017-07-25 | 2018-02-02 | 浙江省建工集团有限责任公司 | A kind of construction technology that foundation platform is made by precast concrete |
| CN207144248U (en) * | 2017-08-04 | 2018-03-27 | 上海思优建筑科技有限公司 | A kind of assembled architecture wall |
| CN108330902A (en) * | 2018-01-04 | 2018-07-27 | 中交烟台环保疏浚有限公司 | The cast-in-place bottom end rail construction method of long piled wharf |
| CN108625389A (en) * | 2018-05-30 | 2018-10-09 | 五冶集团上海有限公司 | A kind of rim of a cup basis internal model panel assembly |
| CN209456964U (en) * | 2018-11-20 | 2019-10-01 | 广东省长大公路工程有限公司 | A kind of anti-crack concrete panel |
Non-Patent Citations (3)
| Title |
|---|
| 某水库混凝土面板施工技术实例;沈克金;西部探矿工程;195-197 * |
| 路基病害处治技术与应用;周德泉等;中外公路;17-21 * |
| 钢筋混凝土裂缝产生的主要原因、裂缝问题的试验研究、裂纹预防的主要措施;战鼎成;张玉光;;中国科技信息(第13期);38-39 * |
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