Questions and Answers

In the construction of a two-span bridge (span length = L) by using span-by-span construction, why is a length of about 1.25L bridge segment is constructed in the first phase of construction?

Questions and Answers

Basically, there are mainly three reasons for this arrangement: (i) The permanent structure is a statically indeterminate structure. During construction […]

In the construction of a two-span bridge (span length = L) by using span-by-span construction, why is a length of about 1.25L bridge segment is constructed in the first phase of construction? Read Post »

In designing concrete structures, normally maximum aggregate sizes are adopted with ranges from 10mm to 20mm. Does an increase of maximum aggregate size benefit the structures?

Questions and Answers

Basically, the force supplied by a concrete compression machine is a definite value. For normal concrete strength application, say below

In designing concrete structures, normally maximum aggregate sizes are adopted with ranges from 10mm to 20mm. Does an increase of maximum aggregate size benefit the structures? Read Post »

In bridge widening projects, the method of stitching is normally employed for connecting existing deck to the new deck. What are the problems associated with this method in terms of shrinkage of concrete?

Questions and Answers

In the method of stitching, it is a normal practice to construct the widening part of the bridge at first

In bridge widening projects, the method of stitching is normally employed for connecting existing deck to the new deck. What are the problems associated with this method in terms of shrinkage of concrete? Read Post »

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