阅读说明：本技术 耐磨地坪与结构板一次施工成型施工工艺 (One-step construction molding construction process for wear-resistant terrace and structural plate ) 是由 明宝伟 徐波 董德骞 吕瑞磊 于龙 夏振涛 于 2019-11-29 设计创作，主要内容包括：本发明涉及一种耐磨地坪与结构板一次施工成型施工工艺,步骤一：表面提浆：混凝土表面需及时提浆,当砼进入初凝阶段,混凝土表面较软时,使用抹光机通过安装圆盘进行作业,将表面砂浆层搓打均匀提浆；步骤二：撒播材料：将规定用量的耐磨材料按标划的板块用布料机分两次均匀地散布在初凝的砼表面上；步骤三：圆盘作业：待耐磨材料吸收水分后,进行至少六次圆盘机械镘抹圆盘抹压作业；步骤四：表面抹光作业：将机械的圆盘卸下进行地面收光；步骤五：养护作业：混凝土养护采用一层塑料薄膜一层土工布双层养护。本发明实现在结构板施工的同时完成耐磨地坪的施工,耐磨地坪与结构板一次施工成型。(The invention relates to a one-time construction molding construction process of a wear-resistant terrace and a structural plate, which comprises the following steps: surface slurry extraction: the surface of the concrete needs to be subjected to slurry extraction in time, when the concrete enters an initial setting stage and the surface of the concrete is softer, a troweling machine is used for operating through a mounting disc, and a surface mortar layer is rubbed and beaten to uniformly extract the slurry; step two: spreading materials: uniformly spreading a specified amount of wear-resistant material on the initially set concrete surface by a material distributor twice according to marked plates; step three: disc operation: after the wear-resistant material absorbs moisture, carrying out at least six times of disc mechanical troweling and pressing operation; step four: surface finishing operation: unloading the mechanical disc to perform ground light collection; step five: and (3) maintenance operation: the concrete curing adopts double-layer curing of a plastic film layer and a geotextile layer. The invention realizes the construction of the wear-resistant terrace while the construction of the structural plate is completed, and the wear-resistant terrace and the structural plate are constructed and formed at one time.)

1. The one-step construction molding construction process of the wear-resistant terrace and the structural slab is characterized by comprising the following steps of:

the method comprises the following steps: surface slurry extraction: the surface of the concrete needs to be subjected to slurry extraction in time, when the concrete enters an initial setting stage and the surface of the concrete is softer, a troweling machine is used for operating through a mounting disc, and a surface mortar layer is rubbed and beaten to uniformly extract the slurry; if the surface of the concrete has laitance, a disc machine is used for uniformly breaking the laitance layer on the surface of the concrete; after the concrete is initially set, water stains on the surface of the concrete disappear or the concrete has enough hardness to bear the operation of a polishing machine, the material begins to be scattered, the concrete is mechanically polished, and the machine-installing time is determined according to the slump of the concrete, the air temperature and other factors; using a six-meter scraper bar to integrally level the concrete vertically and horizontally in the primary grinding period, and finishing the operation when the concrete surface is level;

when the concrete pouring is finished and the initial setting is not started, carrying out top slurry covering on the concrete by using a plastic film;

step two: spreading materials: uniformly spreading a specified amount of wear-resistant material on the initially set concrete surface twice by using a material distributor according to marked plates, wherein the spreading rate is 5kg per square meter; spreading the materials for the first time by 60%, and grinding and pressing the materials for 1-2 times by using a disc machine after the materials absorb water and become dark so that the materials are tightly combined with the concrete base layer; then, the remaining about 40 percent of the material is broadcast for the second time, and the direction of the broadcast material is vertical to that of the first time, so as to ensure the uniformity of the broadcast material;

step three: disc operation: after the wear-resistant material absorbs moisture, then, carrying out at least six times of disc mechanical troweling disc troweling operation according to the hardening condition of the surface layer, properly adjusting the running speed of the mechanical troweling according to the hardening condition of the concrete ground, carrying out the mechanical troweling operation in a criss-cross mode, using 3 m aluminum alloy curettage to vertically and horizontally check the flatness, and flattening;

step four: surface finishing operation: after the surface layer has enough strength, the mechanical disc is unloaded for ground polishing, the polishing times are not less than six times, edges and template edges are manually polished by an iron trowel, after primary polishing, the angle of a polishing machine is adjusted, and fine grinding is carried out until the surface is bright; the ground after fine grinding is required to have a compact surface and consistent color; manually grinding the internal corner parts such as the column root, the wall root and the like; whether the blade is too high in a certain stage of surface hardening can be judged according to the friction sound of the blade on the concrete ground during polishing; the included angle between the blade and the ground needs to be reasonably and timely corrected to avoid the problems of layering, scratches, steel fiber exposure and the like; if a small amount of steel fibers still exist on the surface, the steel fibers are pulled out in the initial stage of finishing; spreading materials in two steps, manually spreading the materials in a small range, wherein the consumption of the materials for the first spreading is 3 kilograms per square meter, and after water is collected, mechanically pressing a disc for two times in a longitudinal and transverse mode; then carrying out second spreading, wherein the consumption of the second spreading material is 2 kilograms per square meter, the two spreading materials adopt vertical cross spreading, and after water is collected, carrying out mechanical disc pressing for two to four times in length and breadth;

step five: and (3) maintenance operation: the concrete curing adopts double-layer curing of a plastic film layer and a geotextile layer, the curing time of the concrete without the retarder is not less than seven days, and the curing time of the concrete with the retarder is not less than fourteen days; after the maintenance is finished, a finished product protecting party needs to operate above the terrace in time, and hard protecting materials such as a wood template and the like are adopted for full coverage in the whole field.

Technical Field

The invention relates to the field of constructional engineering, in particular to a one-step construction molding construction process for a wear-resistant terrace and a structural plate.

Background

The wear-resistant terrace is a compact wear-resistant surface layer formed on the base concrete, has good shock resistance, and can be widely applied to places needing to be specially enhanced in surface wear resistance, such as shopping centers, supermarkets, sidewalks, parking lots, production workshops, machine maintenance workshops and warehouses. Generally, wear-resisting terrace and structural slab divide twice construction to accomplish, and structural slab and building structure are whole to be under construction the back, carry out wear-resisting terrace construction again, and the construction period is long, and need pour the concrete again on the structural slab and carry out wear-resisting terrace construction, and the concrete use amount is big, influences construction cost.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a one-time construction molding construction process for a wear-resistant terrace and a structural plate, so that the construction period is shortened, and the construction cost is saved.

In order to solve the technical problem, the invention is realized as follows:

the one-step construction molding construction process of the wear-resistant terrace and the structural slab is characterized by comprising the following steps of:

the method comprises the following steps: surface slurry extraction: the surface of the concrete needs to be subjected to slurry extraction in time, when the concrete enters an initial setting stage and the surface of the concrete is softer, a troweling machine is used for operating through a mounting disc, and a surface mortar layer is rubbed and beaten to uniformly extract the slurry; if the surface of the concrete has laitance, a disc machine is used for uniformly breaking the laitance layer on the surface of the concrete; after the concrete is initially set, water stains on the surface of the concrete disappear or the concrete has enough hardness to bear the operation of a polishing machine, the material begins to be scattered, the concrete is mechanically polished, and the machine-installing time is determined according to the slump of the concrete, the air temperature and other factors; using a six-meter scraper bar to integrally level the concrete vertically and horizontally in the primary grinding period, and finishing the operation when the concrete surface is level;

when the concrete pouring is finished and the initial setting is not started, carrying out top slurry covering on the concrete by using a plastic film;

step two: spreading materials: uniformly spreading a specified amount of wear-resistant material on the initially set concrete surface twice by using a material distributor according to marked plates, wherein the spreading rate is 5kg per square meter; spreading the materials for the first time by 60%, and grinding and pressing the materials for 1-2 times by using a disc machine after the materials absorb water and become dark so that the materials are tightly combined with the concrete base layer; then, the remaining about 40 percent of the material is broadcast for the second time, and the direction of the broadcast material is vertical to that of the first time, so as to ensure the uniformity of the broadcast material;

step three: disc operation: after the wear-resistant material absorbs moisture, then, carrying out at least six times of disc mechanical troweling disc troweling operation according to the hardening condition of the surface layer, properly adjusting the running speed of the mechanical troweling according to the hardening condition of the concrete ground, carrying out the mechanical troweling operation in a criss-cross mode, using 3 m aluminum alloy curettage to vertically and horizontally check the flatness, and flattening;

step four: surface finishing operation: after the surface layer has enough strength, the mechanical disc is unloaded for ground polishing, the polishing times are not less than six times, edges and template edges are manually polished by an iron trowel, after primary polishing, the angle of a polishing machine is adjusted, and fine grinding is carried out until the surface is bright; the ground after fine grinding is required to have a compact surface and consistent color; manually grinding the internal corner parts such as the column root, the wall root and the like; whether the blade is too high in a certain stage of surface hardening can be judged according to the friction sound of the blade on the concrete ground during polishing; the included angle between the blade and the ground needs to be reasonably and timely corrected to avoid the problems of layering, scratches, steel fiber exposure and the like; if a small amount of steel fibers still exist on the surface, the steel fibers are pulled out in the initial stage of finishing; spreading materials in two steps, manually spreading the materials in a small range, wherein the consumption of the materials for the first spreading is 3 kilograms per square meter, and after water is collected, mechanically pressing a disc for two times in a longitudinal and transverse mode; then carrying out second spreading, wherein the consumption of the second spreading material is 2 kilograms per square meter, the two spreading materials adopt vertical cross spreading, and after water is collected, carrying out mechanical disc pressing for two to four times in length and breadth;

step five: and (3) maintenance operation: the concrete curing adopts double-layer curing of a plastic film layer and a geotextile layer, the curing time of the concrete without the retarder is not less than seven days, and the curing time of the concrete with the retarder is not less than fourteen days; after the maintenance is finished, a finished product protecting party needs to operate above the terrace in time, and hard protecting materials such as a wood template and the like are adopted for full coverage in the whole field.

The invention has the beneficial effects that: the construction of accomplishing wear-resisting terrace when the structural slab construction is realized, and the construction period can be practiced thrift to wear-resisting terrace and structural slab one shot construction shaping by a wide margin, and need not secondary concreting, can effectively practice thrift the concrete use amount, effectively saves construction cost.

Detailed Description

A one-time construction molding construction process of a wear-resistant terrace and a structural plate,

the method comprises the following steps: surface slurry extraction: the concrete surface needs to be extracted in time, when the concrete enters the initial setting stage and the concrete surface is softer, a troweling machine (mounting disc) is used for operation, and the surface mortar layer is rubbed and beaten uniformly (extracted). If the laitance appears on the concrete surface, a disc machine is used to uniformly break the laitance layer on the concrete surface. After the concrete is initially set, the water stain on the surface of the concrete disappears or the concrete has enough hardness to bear the operation of the polishing machine, the material begins to be scattered, the concrete is polished by a machine, and the machine-installing time is determined according to the slump of the concrete, the air temperature and other factors. And 6 m of a scraping ruler is applied to integrally and finely leveling the longitudinal and transverse edges during primary grinding, and the operation is finished when the concrete surface is level and has no obvious defects.

When concrete pouring is completed and initial setting is not started yet, the plastic film is used for jacking and covering the concrete, the slurry lifting effect can be greatly improved, the temperature difference between the surface and the inside of the concrete can be effectively reduced, and the crack risk is reduced.

Step two: spreading materials: uniformly spreading the specified dosage of wear-resistant material on the initially set concrete surface by a material distributor twice according to marked plates, wherein the spreading rate is 5 kg/square meter. The material is scattered about 60% for the first time, and after the wear-resistant material absorbs moisture and becomes dark, the disc machine is adopted to grind and press for 1-2 times, so that the wear-resistant material is tightly combined with the concrete base layer. A second spreading operation (the remaining about 40% of the material) is then carried out, spreading the material in a direction perpendicular to the first one, to ensure uniformity of the spreading of the material.

Step three: disc operation: after the wear-resistant material absorbs water, the disc is mechanically trowelled for at least six times according to the hardening condition of the surface layer, the running speed of the mechanical trowelled is properly adjusted according to the hardening condition of the concrete ground, and the mechanical trowelling operation is carried out in a criss-cross mode. And using 3 m aluminum alloy scraper to vertically and horizontally check the flatness and flattening.

Step four: surface finishing operation: after the surface layer has enough strength, the mechanical disc is unloaded to perform ground surface polishing, the polishing times are not less than 6 times, edges and template edges are polished manually by using an iron trowel, after primary polishing, the angle of a polishing machine is adjusted, and fine grinding is performed until the surface is bright. The ground after finish grinding is compact in surface and consistent in color. The internal corner parts such as the column root, the wall root and the like are manually ground. Whether the blade is too high in a certain stage of surface hardening can be judged according to the friction sound of the blade on the concrete ground during polishing; the included angle between the blade and the ground must be reasonably corrected in time to avoid the problems of layering, scratching, steel fiber exposure and the like. If a small amount of steel fibers still exist on the surface, it should be pulled out during the initial stage of finishing. Spreading materials in two steps, manually spreading the materials in a small range, wherein the consumption of the materials for the first spreading is 3 kilograms per square meter, and after water is collected, mechanically pressing a disc for two times in a longitudinal and transverse mode; and then carrying out second spreading, wherein the material consumption of the second spreading is 2 kilograms per square meter, and the material spreading for the two times adopts vertical cross spreading so as to ensure the material consumption to be accurate and uniform. After water is collected, mechanical disc pressing is carried out, and the transverse and longitudinal directions are two to four times.

Step five: and (3) maintenance operation: the concrete curing adopts double-layer curing of a plastic film layer and a geotextile layer, the curing time of the concrete without the retarder is not less than 7 days, and the curing time of the concrete with the retarder is not less than 14 days. After the maintenance is finished, a finished product protection method is required to be carried out in time to operate above the terrace, the whole field is covered fully by adopting hard protection materials such as a wood template, and attention is paid to preventing fire.