Concrete Water Stop Installation

Concrete joints where two or three sections of the concrete meets are the weakest points easy being subjected to liquid leakage.

Concrete water stop installation.

Installation procedures key items for success installed prior to concrete placement tie off to adjacent rebar through factory installed grommets hog rings proper alignment with joint centered in joint heat welded connections only proper consolidation of concrete around waterstop split formwork often required. Structures such as water treatment plants reservoirs locks dams and below grade facilities most likely have a waterstop system in place. Wait for ten to fifteen minutes until the primer adhesive looks tacky. Concrete structures are only as watertight as the waterstops that join them.

Cold joints is a good design practice for building foundations with or without a positive side waterproofing membrane. These products use in construction joints i e. So waterstops are designed as a fluid tight diaphragm embedded in or running along the joints to solve these problems. Ins tall water stop rx around all soldier pile tie back boxes through wall const ruc tion joints see figure 6 3.

So a number of waterstop products are designed to form a moisture barrier to deal with these issues. Therefore we shall proceed as follows to ensure the correct location of internal waterstop. A half of waterstop is embedded in the concrete after the first concrete pour. How to install waterstop in a concrete keyway.

Before beginning analyze the joint across which the waterstop is to be installed. Contact the waterstop experts phone. Use waterstop rx 101t trapezoidal for shotcrete or gunite concrete construction. Keycup keycup waterstop keyway former install guidelines.

Internal waterstop installation in the process of concrete construction improper positioning of internal waterstop often leads to inaccurate internal waterstop location and large deformation resulting in poor waterproof effect and leakage. They include but are not limited to joint type and joint movement hydrostatic pressure and chemical exposure. If these splices are made haphazardly water leakage is sure to be objectionable great. Several factors must be considered when selecting a waterstop.

Appropriate installation determines the performance of waterstops in water proofing and reduces spalling and cracking of surrounding concrete. Choose the shape and size of waterstop that is best suited to the job at hand. Install waterstop rx in all applicable concrete construction joints for metal sheet piling or concrete cassion construction. All types of waterstops to prevent liquid leaking.

After the preparation brush the dry surface of concrete with primer adhesive and make sure they are applied about 2 wide continuously along the joints. Uncoil strip waterstop and place it into the joints as shown in the drawing. A crucially important aspect of waterstop installation is the care with which splices are made.