Search results
Results from the WOW.Com Content Network
A lightweight box crib Hardwood railway sleepers used as a box crib, North Australian Railway, 1975 Bailey Island Bridge, Harpswell, Maine. The only granite cribstone bridge in the world. A box crib or cribbing is a temporary wooden structure used to support heavy objects during construction, relocation, vehicle extrication and urban search and ...
The project to provide better access for logging trucks to nearby federal lands and improve safety for pedestrians should be done by Nov. 15. $10.9 million road, bridge project in Polk County ...
At the time of the bridges' construction, new rail lines for logging were becoming increasingly cost-prohibitive, and most companies began using trucks in their place. The expense of rail led to the bridges' unusual steel construction; while most logging bridges were temporary wooden structures, the Simpson Logging Company felt that only a ...
The use of emplaced logs is now sometimes used in temporary bridges used for logging roads, where a forest tract is to be harvested and the road then abandoned. Such log bridges have a severely limited lifetime [ 3 ] due to soil contact and subsequent rot and wood-eating insect infestation.
The bridge was shut down on Tuesday, blocking a highway used by thousands of Morris and Sussex county travelers every day. Temporary bridge to reopen Route 15 will take 6 weeks to build, NJ says ...
The wood and steel bridge elements were small and light enough to be carried in trucks and lifted into place by hand, without the use of a crane. These bridges were strong enough to carry tanks. Bailey bridges continue to be used extensively in civil engineering construction projects and to provide temporary crossings for pedestrian and vehicle ...
A logging truck or timber lorry is a large truck used to carry logs. [1] Some have integrated flatbeds , some are discrete tractor units , and some are configured to spread a load between the tractor unit and a dollied trailer pulled behind it.
Heavy Girder Over Bridge The Heavy Girder Over Bridge (HGOB) provides a lower profile allowing easier crossing for heavy transporters and tankers on line of communication routes. The bridge is transported on 1 DROPS pallet of a 14 tonne truck. A Royal Engineers Section and a crane is used to construct the bridge.