Compression members with helical reinforcement are about 10 percent stronger than those with lateral ties due to improved confinement of the concrete core.
The strength of compression members subjected to helical reinforcement is about __________ percent more than the strength of similar member with lateral ties.
Asked in Local Self Government Dept. Exam 2022 · Topic: Mechanics (Elasticity (Stress, Strain, Hooke's Law, Elastic Moduli))
More Physics questions
- Which of the following criteria is considered while proportioning the size of footing ? - (1) $ \frac{P}{A}+\frac{M}{Z}A.B.P.$ and $\frac{P} {A}-\frac{M}{Z} \le 0$ - (4) $\frac{P}{A}- \frac{M}{Z}>A.B.P.$ and $\frac{P}{A}+ \frac{M}{Z} \le 0$
- The development length of each bar of bundled bars shall be taken as ____ that of individual bar when four bars in contact.
- Diagonal tension in a beam A) Is maximum at neutral axis B) Decreases below the neutral axis and increases above the neutral axis C) Increases below the neutral axis and decreases above the neutral axis D) Remains same
- To minimise the effect of differential settlement, the area of a footing should be designed for A) Dead load only B) Dead load + live load C) Dead load + fraction of live load D) Live load + fraction of dead load
- The main reinforcement of an RCC slab is designed for 10 mm diameter bars @100 mm spacing. Now it is required to replace 10 mm bars by 12 bars, then the spacing of 12 mm bars should be
- In mix design for M25, the target mean strength of concrete as per IS : 10262-2009 (take standard deviation = 5 N/mm²) is
- The constant factor relates stress in the steel with the stress in adjoining concrete is
- IS-456 : 2000 specifies the modulus of elasticity of concrete ($E_c$) as
