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Determine about the Lee-McCall system
In the Lee-McCall system, high-tensile strength bars of diameter varying from 12 to 40 rnrn are used as tendons. These bars are threaded at the ends. After tensioning, each bar is anchored with the help of a nut and a washer held tightly against the end plates. An end plate or a bearing plate is a flat plate bearing directly against concrete. In this anchorage system, loss of prestress due to anchorage slip is eliminated as nuts are tightened well before the tendons are released. At the same time, one drawback is that curved tendons can not be used while adopting this anchorage system. This system of anchorage is shown in Figure.
A smooth backed vertical wall is 6.3 m high and retains a soil with a bulk unit weight of 18 kN/m 3 and φ = 18°. The top of the soil is level with the top of the wall and is horiz
Could someone please help me with the calculations of determining the sfd & bmd for cantilevers with udl''s, lvl''s and point loads? Also could I please have the same for ssb with
What is Under vibration of fresh concrete?
Compute the stresses at top and bottom fibers in a simply supported pre-stressed concrete beam with a rectangular cross section, 250 mm wide and 450 mm deep, as shown in Figure, at
Compass surveying
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Bituminous Macadam: Bituminous Macadam (BM) is a base course in which coarse aggregates are mixed with a bituminous binder. The mix is open-graded with 20-25 per cent voids.
GRADATION OF WMM
State about the Prestressing Steel For prestressed concrete members, the high-tensile steel, used generally, consists of wires, bars or strands. The high tensile strength of s
the joists and sketches
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