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Q. Vibration in structures - resilient bearings?
When railway tunnels are built close to buildings, ground-borne vibration is transmitted to buildingsthrough compression and shear waves [36]. When structural members (such as wall) of a building have natural frequencies similar to frequency at the source, response of structures would be magnified. This effect is evenmore major when building is designed with small number of movement joints. Therefore vibration can be felt inside the building and noise associated with this vibration is produced. To evade this, vibration isolation can be implemented sometimes by providing resilient bearings at column heads in buildings.
According to National Building Code (Sp:7 1970), the differential settlement shall be kept within the limits to which the superstructure can accommodate itself without harmful dist
If y1 and y2 are alternate depths of a rectangular channel show that Yc³ =2y1²y2²/(y1+y2) Also specific energy E = y1²+y1y2+y2²/(y1+y2)
Q. Computation of Settlement? The settlement in any soil mass under an applied stress is given by s = s i + s c + s s where, S = total settlement, S i = imm
A cylindrical specimen of a saturated soil fails under an axial stress 150 kN/m 2 in an unconfined compression test. The failure plane makes an angle of 52° with the horizontal.
WHY WE ARE USING MAMENT OF INERTIA IN STRAIN ENERGY STRUCTURE
Q. Why does pipe jacking machine usually get stuck when the ground condition change from soil to very hard rock? When pipejacking machine moves from anarea of soil to very hard
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In this question we consider a bended outlet of pipe flow AB. End A is attached to an incoming pipe by a flange connection. The pipe diameter at A is the same as the incoming pipe,
A contractor has both a 3-cy and a 5-cy shovel in the equipment fleet. Select the minimum size shovel that will excavate 450,000 bcy of common earth in a minimum of 120 working day
Question Now, mainly flap valves are ended of HDPE. What is the major compensation of using HDPE as compared with cast iron? Answer (i) It has no response with sewage a
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