CONCRETE ENGINEERS' HANDBOOK |
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Edisi yang lain - Lihat semua
Istilah dan frasa umum
abutment aggregate angle arch ring assumed bands bars base beam bending bending moment bond stress bottom building cantilever column capital compressive strength compressive stress concrete construction counterfort cracks crete culvert curve dead load deflection depth determined diagonal Diagram diameter effect equal equations expansion joints flat-slab foot forms formula girder given gravel hooping horizontal inches joints length less live load longitudinal manufacture material maximum method mixer mixing mixture mold moments mortar neutral axis obtained panel particles percentage pier pipe placed Portland cement pressure proportions ratio reinforced-concrete reinforcement resistance rods roof sand Sect Section A-A shear shearing stress shown in Fig side slope spacing span spandrel specifications specimens square standard steel stirrups stone strip structure surface temperature tensile strength tensile stress tension tests thickness thrust usually vertical wall weight width wire
Bagian yang populer
Halaman 37 - This analysis shall be made from a test ingot taken during the pouring of the melt. The chemical composition thus determined shall be reported to the purchaser or his representative, and shall conform to the requirements specified in Section 5.
Halaman 786 - Section 33, and quickly formed into a ball with the hands, completing the operation by tossing it six times from one hand to the other, maintained about 6 in.
Halaman 789 - Care should be taken to keep the needle clean, as the collection of cement on the sides of the needle retards the penetration, while cement on the point...
Halaman 39 - The inspector representing the purchaser shall have free entry, at all times while work on the contract of the purchaser is being performed, to all parts of the manufacturer's works which concern the manufacture of the material ordered.
Halaman 781 - Portland cement is the product obtained by finely pulverizing clinker produced by calcining to incipient fusion an intimate and properly proportioned mixture of argillaceous and calcareous materials, with no additions subsequent to calcination excepting water and calcined or uncalcined gypsum.
Halaman 781 - The average tensile strength in pounds per square inch of not less than three standard mortar briquettes composed of one part cement and three parts standard sand, by weight, shall be equal to or higher than the following: 8. The average tensile strength of standard mortar at 28 days shall be higher than the strength at 7 days.
Halaman 36 - In case bars differing f inch and more in diameter or thickness are rolled from one melt or blow, a test shall be made from the thickest and thinnest material rolled. Should either of these test specimens develop flaws, or should the tensile test specimen break outside of the middle third of its gauged length, it may be discarded and another test specimen substituted therefor.
Halaman 781 - The specific gravity of cement shall be not less than 3.10 (3.07 for white portland cement). Should the test of cement as received fall below this requirement a second test may be made upon an ignited sample.
Halaman 38 - If any test specimen shows defective machining or develops flaws, it may be discarded and another specimen substituted. (c) If the percentage of elongation of any tension test specimen is less than that specified in Section...
Halaman 794 - For beams with web reinforcement consisting of vertical stirrups looped about the longitudinal reinforcing bars in the tension side of the beam and spaced horizontally not more than one-half the depth of the beam; or for beams in which longitudinal bars are bent up at an angle of not more than...