It has a simple structure, low cost, can be used on-site waste steel pipe racks and other materials made of, can be installed with the crane Pipe Culvert works fast, short duration, high efficiency.张云昊陈军义沈建强戴紫阳邹颖许海峰
A pipe 22 provided with a heat pipe 23 is put in the vessel 1 to deprive the sludge of its heat, and the heat is stored in a regenerator 20. The sludge 29 is filled into a heating chamber 11 through a screw 26. A titanium electrode 33A and a cathode 33B are attached to the ...
Pipe ramming operations can be conducted from a relatively small work area in confined or restrictive job sites. Among the various trenchless pipe and casing installation or replacement options, pipe ramming technique is often the most practical and cost-effective. As required, the pipe ramming ...
FIELD: draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits, particularly to create culverts in main pipeline and transversal waterway intersection point.;SUBSTANCE: method involves arranging culvert channel; filling opened pipeline and culvert channel sections wi...
use PE100 as raw materials, processing good flexibility, corrosion resistance, excellent impact resistance and other characteristics, pipe and fittings can be employed melt socket connection and butt fusion connection,to insure the pipe system safety and reliability as well as l...
4.Abstract: The fabrication and installation costs for formworks of concrete culverts occupy a larger proportion in the whole cost. 在混凝土涵洞造价中,模板制作安装费用所占的比例较大。 5.Reinforcing bar technique is simple, easy to use in construction, Which has the higher reliability with the ...
The objective of this study was to update the 1998 NCHRP Synthesis 254: Service Life of Drainage Pipe, which in turn updated the 1978 NCHRP Synthesis 50: Durability of Drainage Pipe. The study approach consisted of two primary thrusts. F... M Maher,G Hebeler,A Fuggle - 《Nchrp Synthesis ...
Culverts in highway projects are usually made of reinforced concrete.Now the use of metal corrugated culvert pipe instead of reinforced concrete culvert construction in China is a new technology, metal corrugated pipe with its stable performance, easy installation, environmental protec...
FRP pipe is in the filament winding process, using quartz sand layer will strengthen, make its have sandwich structure, such as reducing the comprehensive cost of the pipeline, and improve the overall strength and stiffness of the pipeline. High pressure FRP p...
Large Span Corrugated Steel Culvert Fast Construction Low Cost Large Span Corrugated Steel Arch Fast Construction High Strength Drainage Engineering Elbow Design for Special Corrugated Steel Vertical Well, Solution of Large Slope Corrugated Steel Pipe with 5 ElbowsDo...