A manhole assembly and related method
A material and method for providing insulation and drainage...
A method and a device for driving an element
A method and a device for separation and collection of...
A method and means for making an embankment
A method and structure to alleviate the effect of frost...
A method for coastal protection and a pressure equalization...
A method for half-tunnel construction
A method for levelling and filling of ditches, and a device...
A method for operation to excavate underdrain in the field...
A method for preventing and discharging flood
A method for sealing off grounds sites
A method in piling tubular bases, a combined drilling and...
A method of controlling a pipeline plow and a pipeline plow
A method of fabricating an insulated leaching chamber and an...
A method of improving hydraulic performance of clay
A method of installing a soil anchor and a soil anchor
A method of reducing ground disturbance during freeze-thaw...
A middle armor block for a coastal structure and a method...
A modular fiber log erosion and sediment control barrier