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While designing reservoirs, indirect tensile strength of the concrete mix is particular to be less than a specific value such as 2.8N/mm2 for potable water. Why ought to engineers put an upper bound of indirect tensile strength?
Crack width formation is dependent on early tensile power of concrete. Principle of critical steel ratio too applies in the situation. Amount of reinforcement necessary to control early thermal and reduction movement is determined by capability of reinforcement to induce cracks on concrete structures. If a higher limit is set on the early tensile force of undeveloped concrete, then a choice of tiny cracks will be formed by failing in concrete tension. But, if strength of reinforcement is lower than undeveloped concrete, then subsequent yielding of reinforcement will create isolated and wide cracks that are undesirable for water-retaining structures. So, in order to control formation of such broad crack widths, concrete mix is specified to have a not direct tensile power at seven days not exceeding a sure value
Define Channel Jig a) A channel jig is the simplest form of box jig. b) The work is placed in a channel shaped trough and clamped by mean of screw. c) It is utilized
if bearing of AB is 190& that of CB is 260,the included angle ABC is how?
Concept of load balancing In above cases of concentric and eccentric pre-stressing, straight tendon profiles (or tendon shapes) along the beam span have been considered. If a t
Joint sealant must be designed and constructed to allow free extension and compression during the opening and closure of joints. In case joint sealants are attached to joint filler
In i ncremental launching mode of bridge construction, what are ways adopted to increase sufficient resistance of superstructure during launching practice?
A concrete contractor historical records show that the construction duration for a cast-in-place foundation formwork is 1,000-SF/crew-day. Determine the number of days a 200,000-SF
Explain the term - Prestressing Force Due to the stretching of tendons, tensile stresses develop inside tendons. Resultant prestressing force in tendons may be calculated by m
In order to make wise investments in a marketplace experiencing enhancing levels of risk, companies are turning to feasibility studies to verify if they should offer new products,
Desirable Characteristics of a Pavement: In order to fulfill the above function, the pavement has to have the following desirable properties : (a) It should be structurall
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