ผลการค้นหา

ค้นเจอ 346 รายการ

Plane of Weakness

(Concrete Engineering) The plane along which a structure under stress will tend to fracture; may exist because of the nature of the structure and its loading, by accident, or by design.

explsed aggregate finish

หินล้าง, ทรายล้าง

Stiffness:

(english) This is a general term which may be applied to materials or structures. When a force is applied to a structure, there is a displacement in the direction of the force; stiffness is the ratio of the force divided by the displacement. High stiffness means that a large force produces a small displacement. When discussing the stiffness of a material, the concept is the same, except that stress substitutes for force, and strain substitutes for displacement; see modulus of elasticity.

experiment

การทดลอง

hexagon-bead screw

สลักเกลียวหัวหกเหลี่ยม

hexagon

รูปแบบหกเหลี่ยม

expressway

ทางด่วน

extension bit

ดอกสว่านชนิดมีก้านยาว เจาะรูได้ ลึกกว่าสว่านะรมดา

plasticity index

พิกัดเหลา, ดัชนีพลาสติก

Black box testing

(Software Engineering) testing that does not focus on the internal details of the program but uses external requirements

AAC - Autoclaved Aerated Concrete

(Concrete Engineering) Exceptionally lightweight precast concrete with high thermal qualities and fire resistence. Suitable for cutting with ordinary hand tools. Mix design is composed of portland cement, sand or siliceous material, lime, gypsum, finely powdered aluminum, and water. Initial mix is a combination of portland cement, sand, lime and gypsum to produce a slurry. Finely powdered aluminum mixed into a paste is added prior to placement into large, rail-like forms. The finely powdered aluminum reacts with the alkaline components of the cement and lime to produce hydrogen gas, which increases the volume approximately five times producing a uniformly, dispersed cellular structure. Units are cut to required shape. Units are placed in an autoclave, an enclosed pressurized chamber, and steam cured at 3500 F. Approximately 80% of the ultimate volume consists of air voids.

Body force:

(english) An external force acting throughout the mass of a body. Gravity is a body force. An inertial force is a body force.

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