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2. Waterstop - Wikipedia

   en.wikipedia.org/wiki/Waterstop

   Initial leaking is possible until the waterstop expands to seal the joint. The American Concrete Institute recommends against the use of hydrophilic waterstops for hazardous fluids such as fuels, acids, and process chemicals, as the products may not swell as intended in fluids other than water.

3. Cement - Wikipedia

   en.wikipedia.org/wiki/Cement

   By far the most common type of cement is hydraulic cement, which hardens by hydration of the clinker minerals when water is added. Hydraulic cements (such as Portland cement) are made of a mixture of silicates and oxides, the four main mineral phases of the clinker, abbreviated in the cement chemist notation, being: C 3 S: alite (3CaO·SiO 2);

4. Stoplogs - Wikipedia

   en.wikipedia.org/wiki/Stoplogs

   Stoplogs are designed to cut off or stop flow through a conduit. They are typically long rectangular timber beams or boards that are placed on top of each other and dropped into premade slots inside a weir, gate, or channel. Present day, the process of adding and removing stoplogs is not manual, but done with hydraulic stoplog lifters and ...

5. Calcium aluminate cements - Wikipedia

   en.wikipedia.org/wiki/Calcium_aluminate_cements

   Concrete pipes for sewerage can be made either with full mass calcium aluminate cement concrete or with an internal liner of calcium aluminate cement mortar. Rehabilitation of man-accessible sewer infrastructures with 100% calcium aluminate mortar using one of the following placing methods: low pressure wet spray, spinning head wet spray, or ...

6. Hydrophobic concrete - Wikipedia

   en.wikipedia.org/wiki/Hydrophobic_concrete

   Hydrophobic concrete is concrete that repels water. It meets the standards outlined in the definition of waterproof concrete . Developed in Australia in the mid-20th century, millions of cubic yards of hydrophobic concrete have been laid in Australia, Asia , and Europe , and in the United States since 1999.

7. Rosendale cement - Wikipedia

   en.wikipedia.org/wiki/Rosendale_cement

   Rosendale cement is a natural hydraulic cement that was produced in and around Rosendale, New York, ... Al 2 O 3 and Fe 2 O 3 11.38%, water and undetermined 1.20%. [5]