阅读说明：本技术 钢筋混凝土料仓壁板装配式施工方法 (Reinforced concrete bin wall plate assembly type construction method ) 是由 王瑞军 檀贵兵 赵晓峰 孟汉卓 彭丙刚 田振茂 杨泽华 曹外祥 何力莹 刘新义 于 2021-08-16 设计创作，主要内容包括：本发明涉及一种钢筋混凝土料仓壁板装配式施工方法,现场进行地基处理,然后要开挖土方,施工钢筋混凝土料仓基础,再施工钢筋混凝土料仓壁板,最后施工钢筋混凝土料仓顶盖。钢筋混凝土料仓壁板条提前预制,然后通过焊接组装成整体,所述壁板条内外两侧分别为内边缘面和外边缘面,壁板条的左右两侧分别为第一接缝面和第二接缝面,第一接缝面沿外边缘面延伸形成外连接部,第二接缝面沿内边缘面延伸形成内连接部；相邻两个壁板条拼装部位的第一接缝面、第二接缝面、外连接部和内连接部围成用于灌注灌浆料的竖向的接口空洞。采用本发明方法,现场不需要支设模板和搭设大量脚手架,减少了不安全因素,缩短了工期,提高了劳动生产率。(The invention relates to an assembly type construction method of a reinforced concrete bin wall plate. The reinforced concrete silo wall lath is prefabricated in advance and then assembled into a whole by welding, the inner side and the outer side of the wall lath are respectively an inner edge surface and an outer edge surface, the left side and the right side of the wall lath are respectively a first joint surface and a second joint surface, the first joint surface extends along the outer edge surface to form an outer connecting part, and the second joint surface extends along the inner edge surface to form an inner connecting part; the first joint face, the second joint face, the outer connecting portion and the inner connecting portion of the assembling portion of the two adjacent wall plate strips enclose a vertical joint cavity for pouring grouting materials. By adopting the method, the template does not need to be erected and a large number of scaffolds do not need to be erected on site, unsafe factors are reduced, the construction period is shortened, and the labor productivity is improved.)

1. The reinforced concrete bin wall plate assembly type construction method is characterized by comprising the following steps:

prefabricating a plurality of wallboard strips for assembling the reinforced concrete bin wallboard, wherein the inner side and the outer side of each wallboard strip are respectively an inner edge surface and an outer edge surface, the left side and the right side of each wallboard strip are respectively a first joint surface and a second joint surface, the first joint surface extends along the outer edge surface to form an outer connecting part, and the second joint surface extends along the inner edge surface to form an inner connecting part; a vertical interface cavity for grouting is defined by the first joint surface, the second joint surface, the outer connecting part and the inner connecting part of the splicing part of two adjacent wallboard strips;

step two, performing foundation treatment and earthwork excavation on site, and constructing a reinforced concrete bin foundation;

thirdly, the wall laths are aligned and fixed inside and outside by using a dragging rope, then the outer connecting parts at the joints of the adjacent wall laths are welded and fixed with the second joint surfaces, the inner connecting parts are welded and fixed with the first joint surfaces, and the wall laths are completely assembled on the basis in sequence;

grouting the interface cavities between the wallboard strips and the foundation joint surface and between the wallboard strips by grouting material;

and fifthly, constructing the top cover of the reinforced concrete storage bin.

2. The method of claim 1, wherein: an inner angle steel is arranged at the intersection of the first seam surface and the inner edge surface of any one wallboard strip, and an outer angle steel is arranged at the intersection of the outer connecting part and the outer edge surface; the intersection of the second joint surface and the outer edge surface of any wallboard strip is provided with outer angle steel, and the intersection of the inner connecting part and the inner edge surface is provided with inner angle steel.

3. The method of claim 2, wherein: and in the third step, the inner angle steels and the outer angle steels of the adjacent wall battens are respectively welded and fixed.

4. The method of claim 3, wherein: and in the third step, the joints between the inner angle steels and the joints between the outer angle steels are welded and fixed discontinuously, and after the reinforced concrete bin wall battens are completely assembled and the geometric dimension of the measured bin meets the design requirement, the joints are welded and fixed fully.

5. The method of claim 1, 2, 3 or 4, wherein: and inserting ribs are vertically arranged on the first joint surface and/or the second joint surface.

6. The method of claim 5, wherein: the top of the wallboard strip is provided with a lifting lug.

7. The method of claim 6, wherein: and a sizing block is arranged between the wall lath and the foundation.

Technical Field

The invention relates to a silo construction method, in particular to an assembly type construction method for a reinforced concrete silo wall plate.

Background

In the coal mine and cement industry, a plurality of reinforced concrete bins are provided, the wall plates of the reinforced concrete bins are of reinforced concrete structures, and the tops of the reinforced concrete bins are mostly light steel structures and color steel plates. The construction of the reinforced concrete wallboard needs to be completed after foundation construction, a scaffold and a supporting template can be erected, then construction is carried out by adopting a slip-form or reverse-form cast-in-place concrete method, the construction period is long, the used templates and the scaffold are supported more, the cost for installing and dismantling the templates and the scaffold is high, the safety risk is high, and the labor investment is also high.

Disclosure of Invention

The invention aims to provide an assembly type construction method for a reinforced concrete bin wall plate, which does not need to support a template and erect a large number of scaffolds on site, reduces unsafe factors, shortens the construction period and improves the labor productivity.

In order to achieve the purpose, the technical scheme adopted by the invention is an assembly type construction method for a reinforced concrete bin wall plate, which comprises the following steps:

prefabricating a plurality of wallboard strips for assembling the reinforced concrete bin wallboard, wherein the inner side and the outer side of each wallboard strip are respectively an inner edge surface and an outer edge surface, the left side and the right side of each wallboard strip are respectively a first joint surface and a second joint surface, the first joint surface extends along the outer edge surface to form an outer connecting part, and the second joint surface extends along the inner edge surface to form an inner connecting part; a vertical interface cavity for grouting is defined by the first joint surface, the second joint surface, the outer connecting part and the inner connecting part of the splicing part of two adjacent wallboard strips;

step two, performing foundation treatment and earthwork excavation on site, and constructing a reinforced concrete bin foundation;

thirdly, the wall laths are aligned and fixed inside and outside by using a dragging rope, then the outer connecting parts at the joints of the adjacent wall laths are welded and fixed with the second joint surfaces, the inner connecting parts are welded and fixed with the first joint surfaces, and the wall laths are completely assembled on the basis in sequence;

grouting the interface cavities between the wallboard strips and the foundation joint surface and between the wallboard strips by grouting material;

and fifthly, constructing the top cover of the reinforced concrete storage bin.

Furthermore, an inner angle steel is arranged at the intersection of the first joint surface and the inner edge surface of any one wallboard strip, and an outer angle steel is arranged at the intersection of the outer connecting part and the outer edge surface; the intersection of the second joint surface and the outer edge surface of any wallboard strip is provided with outer angle steel, and the intersection of the inner connecting part and the inner edge surface is provided with inner angle steel.

Further, in the third step, the inner angle steels and the outer angle steels of the adjacent wall battens are respectively welded and fixed.

And further, in the third step, the joints between the inner angle steels and the joints between the outer angle steels are welded and fixed discontinuously, and after the reinforced concrete silo wall battens are completely assembled and the geometric dimension of the measured silo meets the design requirement, the joints are welded and fixed fully.

Furthermore, the first joint surface and/or the second joint surface are/is vertically provided with a dowel.

Further, a lifting lug is arranged at the top of the wallboard strip.

Further, a sizing block is arranged between the wall lath and the foundation.

The method comprises the steps of performing foundation treatment on site, excavating earthwork, constructing a reinforced concrete bin foundation, constructing a reinforced concrete bin wall plate and constructing a reinforced concrete bin top cover. Wherein, reinforced concrete feed bin wallboard prefabricates in advance, then assembles into whole through the welding. The reinforced concrete wallboard does not need a template and a large number of scaffolds to be erected during field assembly, so that the cost of the templates and the scaffolds is saved, and unsafe factors are reduced.

The bin wall plate assembly type construction method is simultaneously carried out with on-site earth excavation and foundation construction, and labor for on-site construction is reduced, so that the labor force for on-site construction is greatly reduced, and the whole construction period is greatly shortened. Because the site is only assembled, the construction waste on the construction site is greatly reduced, and the construction method is more environment-friendly.

The invention is suitable for the construction of reinforced concrete bin wall plates in coal mines and cement industries.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic structural view of a reinforced concrete bunker according to the present invention.

Figure 2 is a block schematic view of a bin wall panel according to the present invention.

Fig. 3 is a schematic view of an assembled structure of adjacent siding planks.

Fig. 4 is a schematic construction structure of the wall plate and the foundation of the storage bin.

In the figure, 1-a top cover of a bin, 2-a wall plate of the bin, 3-a feeding hole, 4-a wall plate strip, 5-a cushion layer, 6-a basic ring beam, 7-a dragging rope, 8-grouting material, 9-angle steel, 10-a sizing block, 11-a dowel bar and 12-a lifting lug;

401-inner edge face, 402-outer edge face, 403-first joint face, 404-second joint face, 405-outer connection, 406-inner connection, 407-interface void.

Detailed Description

In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and embodiments. In addition, the features of the embodiments and examples in the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The reinforced concrete storage bin structure is shown in figure 1 and comprises a storage bin top cover 1, a storage bin wall plate 2 and a foundation, wherein the storage bin top cover 1 is made of a steel structure or a color steel plate, the storage bin top cover 1 is of a conical table structure, and a feeding hole 3 is formed in the center of the top of the storage bin top cover 1. The bin wall plate 2 is arranged at the lower part of the bin top cover 1.

Aiming at the defects of the traditional construction methods such as long construction period, time and labor waste due to the need of a large number of templates and a large number of scaffolds, high construction cost, poor safety and the like due to the adoption of slip form or reverse form cast-in-place concrete and the like, the typical implementation mode of the invention provides the reinforced concrete bin wall plate assembly type construction method which comprises the following steps.

Prefabricating a plurality of wall plate strips 4 for assembling a reinforced concrete bin wall plate 2, wherein the inner side and the outer side of each wall plate strip 4 are respectively an inner edge surface 401 and an outer edge surface 402, the left side and the right side of each wall plate strip 4 are respectively a first joint surface 403 and a second joint surface 404, the first joint surfaces 403 extend along the outer edge surfaces 402 to form outer connecting parts 405, and the second joint surfaces 404 extend along the inner edge surfaces 401 to form inner connecting parts 406; the first joint face 403, the second joint face 404, the outer connecting portion 405 and the inner connecting portion 406 of the assembly part of two adjacent wall panels 4 enclose a vertical joint cavity 407 for grouting.

When the wallboard strips are prefabricated, firstly, a reinforced concrete bin drawing is deepened, the wallboard of the reinforced concrete bin is divided into a plurality of wallboard strips 4 according to the assembly requirement, the on-site hoisting capacity is considered in the partitioning of the wallboard strips 4, and the wallboard strips can be divided into larger wallboard strips 4 by a larger crane. The reinforced concrete bunker block is shown in fig. 2. Drawing three-dimensional part drawing paper of the wallboard strip, and then manufacturing a corresponding prefabricated template for prefabricating and maintaining the reinforced concrete wallboard strip. And (4) hoisting the wall panel bar concrete to be prefabricated until the strength of the wall panel bar concrete reaches the design requirement.

Preferably, in order to further improve the overall strength of the silo wall panel 2, the dowel bars 11 are vertically arranged on the first joint face 403 and/or the second joint face 404. The top of the stave 4 is provided with a lifting lug 12 for lifting the stave 4.

Step two, performing foundation treatment and earthwork excavation on site, and constructing a reinforced concrete bin foundation; the stock bin foundation comprises a cushion layer 5 and a foundation ring beam 6.

Thirdly, the wallboard strips 4 are aligned and fixed inside and outside by using the dragging rope 7, then the outer connecting parts 405 and the second joint surfaces 404 at the joint positions of the adjacent wallboard strips 4 are welded and fixed, the inner connecting parts 406 and the first joint surfaces 403 are welded and fixed, and the wallboard strips 4 are completely assembled on the basic ring beam 6 in sequence;

preferably, a sizing block 10 is arranged between the wall panel strip 4 and the foundation, as shown in fig. 4, several groups of sizing blocks 10 are added between the wall panel strip 4 and the foundation, the wall panel strip 4 is leveled by the sizing blocks 10, and the thickness of the sizing block 10 is selected to be 50-100 mmm.

And in the third step, the joints between the inner angle steels and the joints between the outer angle steels are welded and fixed discontinuously, and after the reinforced concrete bin wall battens are completely assembled and the geometric dimension of the measured bin meets the design requirement, the joints are welded and fixed fully.

Grouting the joint cavity 407 between the wallboard strip 4 and the foundation joint surface and the wallboard strip 4 by using grouting material 8; the grouting material is cement-based high-strength grouting material.

And fifthly, constructing the top cover of the reinforced concrete storage bin.

In the preferred embodiment, when the wall panels 4 are prefabricated, angle steel 9 is embedded at the joint, and the wall panels are connected through angle steel welding. As shown in fig. 3, an inner angle is provided at the intersection of the first joint face 403 and the inner edge face 401 of any one of the wall panels 4, and an outer angle is provided at the intersection of the outer connecting portion 405 and the outer edge face 402; an outer angle is provided at the intersection of the second joint face 404 and the outer edge face 402 of any one of the siding planks 4, and an inner angle is provided at the intersection of the inner connecting part 406 and the inner edge face 401.

The inner angle steels and the outer angle steels of the adjacent wall battens 4 are respectively welded and fixed. Referring to fig. 3, in the two wall panels 4 shown in fig. 3, an inner angle steel on the right side of the first wall panel 4 and an inner angle steel on the left side of the second wall panel 4 are welded and fixed; the outer angle steel on the right side of the first siding plank 4 and the outer angle steel on the left side of the second siding plank 4 are welded and fixed.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the invention should be included in the scope of the invention.