irrigation water pressure News
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ASTM C118M - 11 standard specification for concrete pipe for irrigation or drainage (Metric)
This specification covers the specification for the nonreinforced concrete pipe to be used for the conveyance of irrigation water with working pressures, including hydraulic transients, and for use in drainage. The design, joint, and concrete mixture of the pipe is detailed. The acceptability of the pipe shall be determined by the results of the tests prescribed in this specification, such as ...
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ASTM C118 - 11 standard specification for concrete pipe for irrigation or drainage
This specification covers nonreinforced concrete pipe to be used for the conveyance of irrigation water with working pressures, including hydraulic transients and for use in drainage. The concrete shall consist of cementitious materials, minerals, aggregates, and water. Cement shall conform to the requirements for Portland cement or shall be Portland blast-furnace slag cement, or slag modified ...
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ASTM C505M - 11 standard specification for nonreinforced concrete irrigation pipe with rubber gasket joints (Metric)
This specification covers reinforced concrete pipe with rubber gasket joints to be used for the conveyance of irrigation water with working pressures, including hydraulic transients. The acceptability of the pipe, joint design, and gaskets shall be determined by the results of the tests prescribed in this specification, if and when required, and by inspection to determine whether the pipe and ...
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Improved soil water sensors aid in irrigation management
Agriculture, a large user of water for irrigation, is under pressure to reduce water use. Increased urban population growth has created more competition for limited water supplies. While growers have used soil moisture probes to aid in irrigation management in the past, earlier probes required maintenance or were expensive or inadequate. New electronic sensors have been developed that require ...
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