Asphalt hemp batting filling belt as well as preparation method and application thereof
A technology of asphalt and burlap, which is applied in the field of asphalt burlap packing belt and its preparation, can solve the problems of verticality of settlement joints, lax control of width, filling depth not meeting the requirements of design specifications, difficulty in digging to design depth, etc. Achieve the effect of saving post-maintenance costs, avoiding unsafe factors, and avoiding construction procedures
Pending Publication Date: 2022-01-28
金发柱
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Problems solved by technology
Generally, electric drills are used to dig seams, and there is a problem that it is difficult to dig out the designed depth
The existing filling depth generally does not meet the requirements of the design specification, and the depth of the design specification generally ranges from 50mm to 150mm. The general filling depth of on-site construction is only about 10-20mm
In addition, the current verticality and width of the settlement joints are not strictly controlled, and the appearance is not beautiful
In addition, there are also the following problems: open flames on site are likely to cause environmental pollution, and asphalt is heated and soaked in hemp, which is likely to cause dripping and water and soil pollution
In water conservancy, the current shrinkage joints use polyethylene high-pressure closed-hole plates, but they are prone to aging
Method used
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[0045] A preparation method of asphalt burlap packing belt, soaking burlap in No. 70 asphalt heated to no more than 140°C, No. 70 asphalt with a softening point of 43-44°C is preferred in severe cold regions, and No. 70 asphalt with a softening point of 43-44°C is preferred in hot regions. No. 70 asphalt at 45-46°C, soak for 1-2 minutes, then put the asphalt-covered flax into the shaping mold, and use pressure equipment to pass through the opening of the shaping mold to press the asphalt-covered flax in the shaping mold Apply a pressure greater than 5MPa, the area where the pressure is applied just covers the asphalt batt, extrude and form it compactly, stop applying pressure after the asphalt-stained batt is cooled to room temperature, remove the mold, and obtain the semi-finished product of the asphalt batt packing belt, that is, asphalt The body 1 of the burlap wadding belt adopts a shaping mold whose internal shape is completely consistent with the external shape of the bur...
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Abstract
The invention relates to the field of constructional engineering, in particular to an asphalt hemp batting filling belt as well as a preparation method and application thereof. The method comprises the following steps: soaking hemp batting in heated asphalt, then putting the hemp batting covered with the asphalt into a shaping mold, extruding, compacting and molding, cooling to room temperature, then removing the mold to obtain a semi-finished product of the asphalt hemp batting filling belt, then coating a bonding glue layer on the side surface of the semi-finished product of the asphalt hemp batting filling belt, and pasting release paper on the surface of the bonding glue layer to obtain the asphalt hemp batting filling belt . According to the invention, concentrated manufacturing in a factory can be realized, the (height) depth, width and length can meet the requirements of design specifications, the construction quality is ensured, and the appearance is beautiful; on-site construction is not needed, and tedious construction procedures of on-site construction are avoided; and the invention further provides application of the asphalt hemp batting filling belt, the asphalt hemp batting filling belt is not prone to peeling off and durable in service time, and the later maintenance cost in operation is reduced.
Description
technical field [0001] The invention relates to the field of construction engineering, in particular to an asphalt hemp wadding belt and its preparation method and application. Background technique [0002] At present, many structures are equipped with settlement joints. By setting settlement joints, structures can be prevented from subsidence due to uneven load or foundation bearing capacity, and structures can be destroyed due to irregular multiple cracks. Settlement joints are cracks that can limit the structure to occur neatly and at a fixed position. If there is uneven settlement, it should be limited to the settlement joints, which is conducive to the safety, stability and seepage prevention of the structure. Settlement joints should be set where the soil quality of the foundation changes, the embedding depth of the foundation is different, the load of the foundation on the foundation changes greatly, the junction of foundation filling and excavation, and the junction ...
Claims
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IPC IPC(8): C09J7/20E01F5/00E02B3/16E02D29/16E04B1/68
CPCC09J7/20E04B1/6801E02B3/16E01F5/005E02D29/16C09J2203/346C09J2301/122C09J2463/00C09J2495/006
Inventor 金发柱
Owner 金发柱