Found 397 results.
August 1, 2007
…of the 17% value-added tax (VAT) reimbursed if the imported materials are used to make products for export. Wages in rural areas in inland Chinese provinces are a third of…
August 1, 2007
…and rock material that has no topsoil, making it extremely difficult to revegetate and susceptible to erosion. Unless an effective control method was implemented, runoff from erosion of the stockpile…
June 1, 2007
…Combinations of compacted clay liner (CCL) and highly extensible rubber EPDM geomembrane with geotextile protection were selected to satisfy design requirements. At the completion of Phase I, more than 100,000m2…
June 1, 2007
…leakage, with a separate underdrain system installed between the tank bottom and the GCL. A network of HDPE pipes collects runoff from the pads and transports it by gravity to…
April 1, 2007
…cover (EGC) that minimizes rain stormwater infiltration into the ore heap fill and diverts cover surface storm runoff to the natural drainages (see Thiel and Smith, 2004, for a general…
April 1, 2007
…slopes of a ravine between the Tacoma Narrows Bridge and a subdivision near Tacoma, Wash. The erosion ruptured two storm drains and left undermined slopes that continued to ravel and…
February 1, 2007
…quality control and meeting minimum constructability requirements. Pavement performance is evaluated based on serviceability (i.e., permanent deformation, a.k.a. rutting, over the life of the pavement) as opposed to a failure…
February 1, 2007
…is underlain by sand, and as would be essential where it is placed on the 30-mil-thick “rub” sheet. This survey demonstrates the need to consider the structural requirements for an…
October 1, 2006
…Evaluation of a prototype. By Ruth Roberson, John Stormont, and Karen Henry Abstract Excess moisture coupled with inadequate drainage are believed to be the primary causes of roadway…
August 1, 2006
…asphalt layers. Using this technique made it possible to raise the road elevation. In fact, to raise it enough so that the Sammamish River Trail now runs under the new…
