Construction Joint (Concrete Engineering) The contact between the placed concrete and concrete surfaces, against or upon which concrete is to be placed and to which new concrete is to adhere, that has become so rigid that the new concrete cannot be incorporated integrally by vibration with that previously placed. Unformed construction joints are horizontally placed or nearly so.
GFRC - Glass Fiber Reinforced Concrete (Concrete Engineering) Concrete panels, usually architectural designs, reinforced with a high zirconia (16% minimum), alkali-resistant glass fiber. Optimum glass fiber content of 5% by weight. Lower fiber content results in lower early ultimate strengths, higher fiber content can produce composite compaction and consolidation difficulties.
Sack (Concrete Engineering) A quantity of cement: 94 Ibs. in the United States, 87.5 Ibs. in Canada, for portland or air entraining portland cement, or as indicated on the sack for other kinds of cement.
Slip Form (Concrete Engineering) A form which is raised or pulled as concrete is placed; may move vertically to form wails, stacks, bins or silos, usually of uniform cross section from bottom to top; or a generally horizontal direction to lay concrete evenly for highways, on slopes and inverts of canals, tunnels, and siphons.
Stucco (Concrete Engineering) A portland cement mortar material that can be applied to the surface of any building or structure to form a hard and durable covering for the exterior wails or other exterior surfaces.
Vibration (Concrete Engineering) Energetic agitation of concrete to assist in its consolidation, produced by mechanical oscillating devices at moderately high frequencies. (A.) External vibration employs a device attached to the forms and is particularly applicable to the manufacture of precast items and for the vibration of tunnel lining forms. (B.) Internal vibration employs an element which can be inserted into the concrete; and is more generally used for cast-in-place construction.
acanthus ลวดลายสลักแบบกรีก ใช้กับหัวเสาแบบคอรินเธียน หรือเฟอร์นิเจอร์
American bond การเรียงอิฐแบบเดียวกับที่ว่า Common bond คือเรียงทางด้านกว้าง 1 แถว สลับกับการเรียงทางยาวของอิฐ 5-6 แถว ใช้เรียงกับกำแพงที่มีความหนาอย่างน้อย 1 แผ่นอิฐ
American screw gauge ที่วัดเส้นผ่านศูนย์กลางของสกรูที่ใช้กับงานไม้และงานเครื่องจักรกลตามมาตราฐานอเมริกัน
cane chair เก้าอี้หวาย
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