Integral construction method for integral surface layer and expansion joint

Abstract

The invention discloses an integral surface layer and expansion joint integrated construction method which comprises the following construction steps: S1, rechecking the elevation of a structural floor slab, and kicking an ultrahigh part of the structural floor slab; s2, watering the structural floor slab to wet the structural floor slab; s3, leveling and dividing the structural floor slab, arranging screeding strips on the structural floor slab to divide the structural floor slab into a plurality of areas, and arranging metal strips on the screeding strips; s4, fine aggregate concrete leveling layers are poured into the divided areas according to screeding strips, and covering heat preservation is conducted; s5, a self-leveling layer is arranged on the fine aggregate concrete leveling layer; according to the leveling method, the problem that the overall ground leveling layer is poor in flatness can be well solved, the problems that later-stage cutting of expansion joints is not standard and the like are solved, and for the leveling method, if the surface layer is made of wood floors or other decorative materials, secondary construction of the later-stage leveling process can be reduced.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to an integrated construction method of an integral surface layer and an expansion joint. Background Art

[0002] The conventional method for the overall ground leveling layer is to draw horizontal lines, treat the base layer, sprinkle water to moisten it, paste mortar cakes, lay concrete, level it, cut expansion joints, and maintain it. The existing method fails to effectively refine the overall ground leveling layer, resulting in poor flatness and many cracks. Finally, the construction quality problems of the previous process can only be compensated by the subsequent process, which increases the construction cost.

[0003] At present, there are many construction quality problems in the construction of concrete leveling layers, such as many cracks in the ground, poor flatness, hollowing and sanding, etc. Conventional processes can no longer meet the requirements of refined construction. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides an integrated construction method for an integral surface layer and an expansion joint.

[0005] The present invention provides an integrated construction method for an integral surface layer and an expansion joint, which adopts the following technical scheme:

[0006] An integrated construction method for an integral surface layer and an expansion joint comprises the following construction steps:

[0007] S1: Review the structural floor elevation and hit the extra-high part of the structural floor;

[0008] S2: Sprinkle water on the structural floor to moisten it;

[0009] S3: Level and divide the structural floor slab, set ribs on the structural floor slab to divide the structural floor slab into multiple areas, and set metal strips on the ribs;

[0010] S4: pouring fine stone concrete leveling layer in the area divided by the ribs, and covering and insulating it;

[0011] S5: A self-leveling layer is set on the fine stone concrete leveling layer.

[0012] Optional, S3.1: Apply plaster cakes to the structural slab.

[0013] Optional, S3.2: Use a plumb line to determine two vertical points. After the ash cakes are completely cured, use cement mortar to make a continuous rib strip between the two adjacent ash cakes that is consistent with the surfaces of the two points.

[0014] Optional, S3.3: During the process of making the rib, use a ruler to make an up and down vertical motion between the two points so that the surface of the rib is parallel to the surfaces of the two points.

[0015] Optionally, the longitudinal section of the metal strip is in a shape of "ji".

[0016] Optionally, the metal strip has a receiving groove, and the receiving groove is filled with an elastic material.

[0017] Optionally, during the process of manufacturing the screed bar, the metal strip with the elastic material is placed on the surface of the screed bar. After the screed bar solidifies and forms, the upper surface of the metal strip is parallel to the upper surface of the screed bar.

[0018] In summary, the present invention includes at least one of the following beneficial technical effects: It can well solve the problem of poor flatness of the overall floor screed layer, reduce problems such as non-standard cutting of expansion joints in the later stage. For this screeding method, if the surface layer is wooden floor or other decorative materials, it can reduce the secondary construction of the later screeding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

[0020] Description of reference numerals: 1, screed bar; 2, plaster block; 3, metal strip; 4, elastic material. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will further describe the present invention in detail Figure 1 with reference to the accompanying drawings.

[0022] An embodiment of the present invention discloses an integrated construction method for an overall surface layer and expansion joints.

[0023] Refer to Figure 1 , an integrated construction method for an overall surface layer and expansion joints, including the following construction steps:

[0024] S1: Recheck the elevation of the structural floor slab and chisel the ultra-high parts of the structural floor slab;

[0025] S2: Sprinkle water on the structural floor slab to moisten it;

[0026] S3: Level and divide the structural floor slab. Set screed bars 1 on the structural floor slab to divide the structural floor slab into multiple areas, and set metal strips 3 on the screed bars 1;

[0027] S4: Pour a fine aggregate concrete screed layer in the divided areas according to the screed bars 1 and cover it for heat preservation;

[0028] S5: Set a self-leveling layer on the fine aggregate concrete screed layer.

[0029] It can well solve the problem of poor flatness of the overall floor screed layer, reduce problems such as non-standard cutting of expansion joints in the later stage. For this screeding method, if the surface layer is wooden floor or other decorative materials, it can reduce the secondary construction of the later screeding process.

[0030] S3.1: Stick plaster blocks 2 on the structural floor slab. The plaster blocks 2 serve as the control points for the thickness and surface flatness of the plaster layer and need to be stuck on the structural floor slab at the positions and with the dimensions required by the design before plastering. The material of the plaster blocks 2 is mainly composed of components such as cement, lime, and sand. The cement blocks of the plaster blocks 2 that control flatness and verticality can ensure the surface flatness and increase durability.

[0031] S3.2: Use a plumb bob to hang a plumb line to determine two perpendicular points. After the plaster blocks 2 are completely cured, use cement mortar to make a continuous screed bar 1 between two adjacent plaster blocks 2 that is consistent with the surfaces of the two points. First, it is necessary to use a plumb bob to hang a plumb line to determine two perpendicular points, which are located on two adjacent plaster blocks 2 and are used to control the verticality of the plaster layer. After the plaster blocks 2 are completely cured, the screed bar 1 can be made between two adjacent plaster blocks 2 using cement mortar. The screed bar 1 is consistent with the surfaces of the two points in terms of verticality and flatness.

[0032] S3.3: During the process of making the screed bar 1, use a straightedge to make vertical movements up and down between the two points to make the surface of the screed bar 1 parallel to the surfaces of the two points. Using a straightedge to make vertical movements up and down between the two points can further adjust the parallelism of the surface of the screed bar 1 to the surfaces of the two points, thereby ensuring verticality and flatness.

[0033] The longitudinal section of the metal bar 3 is in a "ji" shape. The metal bar 3 has a receiving groove, and an elastic material 4 is filled in the receiving groove. The "ji"-shaped metal bar 3 can form a stable support structure for the screed bar 1. Its "ji"-shaped design can provide good supporting force to ensure the accuracy and stability during the concrete pouring process. Filling an elastic material 4 such as rubber or polyurethane foam in the "ji"-shaped metal bar 3 can enhance the stability and durability of the structure. The filling of the elastic material 4 enhances the elasticity and toughness of the metal bar 3, enabling it to better absorb and disperse the stress during the construction process. In this embodiment, the elastic material 4 is foam. The elastic material 4 can absorb and disperse the stress during the construction process, reduce the structural deformation and cracking caused by temperature changes or external forces, form expansion joints, eliminating the need for the additional process of making expansion joints. At the same time, it prevents the concrete from pouring into the metal bar 3 during the process of pouring the fine aggregate concrete leveling layer or making the screed bar 1, avoiding the deformation or damage of the metal bar 3 caused by the pouring of concrete and ensuring the construction quality and the integrity of the building structure.

[0034] The expansion joint formed by the elastic material 4 in the metal bar 3 of the present invention can naturally adapt to the expansion and contraction deformation of the structure due to temperature changes, eliminating the need for the additional process of making expansion joints, not only simplifying the construction process but also reducing the construction cost.

[0035] During the process of manufacturing the rib strip 1 , the metal strip 3 with the elastic material 4 is placed on the surface of the rib strip 1 , and after the rib strip 1 is solidified, the upper surface of the metal strip 3 is parallel to the upper surface of the rib strip 1 .

[0036] The above technical solution can not only improve the stability and durability of the building structure, but also simplify the construction process and reduce the construction cost. At the same time, by forming a natural expansion joint and preventing concrete from pouring into the metal strip 3, the construction quality and the long-term safety and stability of the building structure are further guaranteed.

[0037] In order to improve the construction quality of the leveling layer and avoid the occurrence of common quality problems, and reduce the secondary cutting of expansion joints in the later stage, we have optimized the design of the leveling layer. First, the large-area leveling layer is divided, and then the ribs and ash cakes are positioned at two points according to the elevation line. When the concrete ribs are constructed, a "J"-shaped metal strip 3 is added and filled with elastic material 4. The two sides of the "J"-shaped metal strip 3 are set on the rib surface layer according to the elevation to ensure the flatness of the rib surface. This can solve the problems of the flatness of the leveling layer and the setting of expansion joints.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A method for integrated construction of an integral surface layer and expansion joint, characterized in that: It includes the following construction steps: S1: Recheck the elevation of the structural floor slab and chisel the over-height part of the structural floor slab; S2: Sprinkle water on the structural floor slab to moisten it; S3: Level and divide the structural floor slab. Set screed bars on the structural floor slab to divide it into multiple areas, and set metal bars on the screed bars; S4: Pour a fine aggregate concrete leveling layer in the divided areas according to the screed bars and cover it for heat preservation; S5: Set a self-leveling layer on the fine aggregate concrete leveling layer.

2. The method for integrated construction of the overall surface layer and expansion joint according to claim 1, characterized in that: S3.1: Stick plaster blocks on the structural floor slab.

3. The method for integrated construction of the overall surface layer and expansion joint according to claim 2, characterized in that: S3.2: Use a plumb bob to hang a plumb line to determine two perpendicular points. After the plaster blocks are completely cured, make a continuous screed bar between two adjacent plaster blocks with cement mortar, which is consistent with the surface of the two points.

4. The method for integrated construction of the overall surface layer and expansion joint according to claim 1, characterized in that: S3.3: During the process of making the screed bar, use a straightedge to move vertically up and down between the two points to make the surface of the screed bar parallel to the surfaces of the two points.

5. The method for integrated construction of the overall surface layer and expansion joint according to claim 1, characterized in that: The longitudinal section of the metal bar is in a "ji" shape.

6. The method for integrated construction of the overall surface layer and expansion joint according to claim 5, characterized in that: The metal bar has a receiving groove, and an elastic material is filled in the receiving groove.

7. The method for integrated construction of the overall surface layer and expansion joint according to claim 6, characterized in that: During the process of making the screed bar, place the metal bar with the elastic material on the surface of the screed bar. After the screed bar solidifies and takes shape, the upper surface of the metal bar is parallel to the upper surface of the screed bar.

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