More stories about Water

  • Reporting Tempering Water

    Q. We have just equipped several of our mixers with an on-board slump monitoring system. As the truck travels to or waits at the jobsite, the system monitors the mix's slump. When the system's controller senses a significant stiffening of the mix, it will maintain the load's targeted slump by...

  • Terms of Treatment

  • Truck-Water Management

    While fuel costs are high, there's another commonly used liquid whose cost also is steep: water.

  • Watertight

    Precast concrete producers and the onsite wastewater industry have plenty in common. Together, these two industries play an important role in protecting the nation's water resources and supporting the wastewater infrastructure.

  • Water Works

  • Water Works

  • Does New Standard Carry Water?

    As a producer, how can I use the recent changes in ASTM standards to use process water in my concrete? Promoting using process water in concrete is a tedious effort. We turned to three experts to answer this important question. The answer below is supplied by Richard S. Szecsy, PhD, PE, vice...

  • What are integral water repellents?

    I've heard a lot about integral water repellents for block. What are they and what is their purpose? Do I need to specify them in the mortar as well as the block?

  • Working with hard and soft water

    We are working with two water sources. One is treated soft water. The other is hard water from a well with a hardness of about 450. Using the same mix, we have to add 6 to 7 liters more of hard water per cubic meter of concrete to obtain the same workability we get with the lesser amount of soft...

  • Concrete Too Salty?

    Does the water for concrete have to be completely void of salt (from seawater)? What happens if it is not?