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652 rubber waterstop is also called 652 rubber waterstop, or 652 rubber waterstop for short. There are two protruding ridges on both sides of the central hole, which is a kind of buried rubber waterstop. It is widely used in various concrete structures, such as dams, reservoirs, subways, culverts, tunnels and other underground projects. The raw materials and common specifications of 652 rubber waterstop are as follows: 652 rubber waterstop is a kind of rubber waterstop product made of natural rubber and various synthetic rubber as the main raw materials, adding various accelerators, and through plastic refining, mixing, vulcanization and molding. Common specifications: 280 × 6mm, 280 × 8mm

2024/06/13 17:06:00

Back stick rubber waterstop, a seemingly simple but vital building material, plays an irreplaceable role in the construction industry. It has become an indispensable part of modern architectural engineering due to its unique performance and wide range of applications. This paper will deeply discuss the characteristics, uses and important role of back stick rubber waterstop in construction engineering. First of all, the back stick rubber waterstop shows excellent waterproof performance with its unique material characteristics and process design. It is made of high-quality rubber materials, with good elasticity, wear resistance, aging resistance and tear resistance. This material can adapt to all kinds of

2024/06/07 15:16:21

The L-600 polyethylene closed cell foam board is a L-600 plate with a foaming rate of medium and high pressure. The appearance is pure black, the surface is rough, and obvious pores can be seen. The diameter of pores is about 0.5mm. The texture is very hard, like a wood board, but the toughness is not as good as that of the medium pressure closed cell board. The compressive strength and tensile strength are very high, reaching the medium high level of the foam board. With a large proportion, each square weighs about 160kg. Due to its performance and cost, high-pressure polyethylene closed pore plate is mainly used in high-speed railway, airport, panel dam and other large-scale hydropower transportation projects. General name of polyethylene closed cell foam board: polyethylene closed cell foam plastic board, P

2024/06/04 09:49:15

Z9-30 rubber waterstop is mainly used in initiation joint, complete contraction joint, incomplete contraction joint and other parts of structures. It has the characteristics of tight anchoring with concrete, water stop sealing, elastic tensile deformation, etc. The waterstop is made of elastic materials, mixed with a variety of auxiliary additives, and mixed and vulcanized. It can be divided into natural rubber waterstop, rubber waterstop, rubber waterstop, EPDM rubber waterstop and other rubber waterstop according to the different materials of the products. High quality natural rubber, EPDM and various synthetic rubber are selected as the main raw materials, and various additives and fillers are added. After internal mixing, mixing and pressing

2024/06/03 17:31:57

EVA back stick plastic waterstop is a kind of waterstop product made of superior polyvinylhexi resin and various chemical additives through mixing, granulation, extrusion and other processes. Principle: it makes full use of the elastic deformation characteristics of polyvinyl chloride resin to play a leak proof and seepage proof role in the construction joints, and has the characteristics of corrosion resistance and good durability. Scope of application of plastic back stick waterstop: 1. Roof waterproofing, underground waterproofing, waterproofing treatment of structural construction joints and bonding and sealing of polymer waterproof coiled materials in the new project of back stick waterstop. 2. Sealing and waterproof treatment of construction joints of subway tunnel structure in municipal engineering. 3. Steel structure

2024/06/03 16:31:13

Pot rubber bearings can be divided into three categories according to the scope of application: highway bridge pot rubber bearings, * * * bridge pot rubber bearings and derivatives of pot rubber bearings. Commonly used highway pot rubber bearings include GPZ pot rubber bearings, GPZ (Ⅱ) pot rubber bearings (according to GT391-1999), GPZ (KZ) pot rubber bearings and other series. Commonly used * * * pot rubber bearings include TPZ-I * * * pot rubber bearings, TPZ standard * * * pot rubber bearings, and special bridge 8156 * * * bridge bearings. Types of derivatives of pot rubber bearings

2024/05/31 07:54:09

The bridge expansion joint is located at the movable end of the bridge superstructure and the bridge deck fracture joint, which is mainly composed of the force transfer support system and the displacement control system. The expansion joint of the bridge can be expanded from the self contained, and the vehicle does not need to be hit. The relatively small noise is the main function of the expansion joint of the bridge. In order to prevent the structure from cracking and destruction due to the change of climate temperature, expansion joints (C-type bridge expansion joints) are set between the beam ends and between the beam ends and the abutment. The expansion joints (C-type bridge expansion joints) are parallel to and perpendicular to the two directions of the bridge axis, which can expand and expand freely and firmly to reach the vehicle

2024/05/29 18:24:21

External waterstop is a kind of material used for waterstop in construction engineering. It is usually a sheet made of rubber or plastic, and its surface is coated with adhesive. The use of this material can effectively prevent the cracking and leakage of cement concrete, and is one of the important materials to achieve water stop in construction projects. On which side should the external waterstop be affixed? When it comes to the use of external waterstop, some construction engineers and workers still have some disputes and do not know how to paste it. In fact, the externally attached waterstop should be placed on the side of the wall that is in contact with the outside, rather than on both sides. This side should be the inside of the building structure

2024/05/28 18:23:19

What are the advantages of water expansion sealing? First, it can adapt to various temperatures and environments without aging, deformation and cracking. Secondly, it can expand and contract with the expansion and contraction of concrete without affecting the concrete structure. Finally, it can expand and contract repeatedly without losing its water stop effect. Then, how to construct the water swelling waterstop? In fact, it is very simple, as long as the following steps are followed: 1. Before concrete pouring, the water swelling waterstop shall be flatly fixed on the interface, and the joint shall be firmly bonded. 2. When pouring concrete, fully pour and vibrate the concrete to make it expand and stop water when encountering water

2024/05/28 08:00:12

The modular bridge expansion joint is composed of two side beams and a ribbon rubber sealing strip embedded in the duck mouth of the side beam. This kind of structure transmits load and force reliably through rigid connection; Good mechanical seal, dustproof and waterproof performance; Its elastic support can reduce noise and shock; Bird shaped rubber strips are used between the two steel beams to realize the flexible function. Thus, when the vehicle passes through the junction of road and bridge, the impact load can be reduced to a better level, which not only ensures the normal operation of the road, extends the service life, but also makes the driver feel stable and comfortable. Transport of modular bridge expansion joints (1) Expansion joint devices are generally 4 in a group, and the manufacturer will provide

2024/05/27 08:17:06