ค้นเจอ 221 รายการ

คำศัพท์ที่เกี่ยวข้องกับ "concrete"

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Sulfate Resistance

(Concrete Engineering) Ability of cement paste, aggregate, or mixtures thereof to withstand sulfate attack.

Jacking Force

(Concrete Engineering) The temporary force exerted by the jacking device which introduces tension into the tendons. Jacking Stress In prestress concrete, the maximum stress occurring in a tendon during stressing.

Bleeding, Bleed Water

(Concrete Engineering) A form of segregation in which some of the water in a mix tends to rise to the surface of freshly placed concrete. Known also as water gain.

Sacking

(Concrete Engineering) Removing or alleviating defects on a concrete surface by applying a mixture of sand and cement to the moistened surface and rubbing with a coarse material such as burlap.

Tilt-up

(Concrete Engineering) A method of concrete construction such as where members are cast horizontally near their eventual position, usually on a recently placed slab, and then tilted into place after removal of forms.

Neat Cement-Paste

(Concrete Engineering) A mixture of water and hydraulic cement, both before and after setting and hardening.

Adsorption Water

(Concrete Engineering) Water held on surfaces in a material by either physical and/or chemical forces.

Magnetite

(Concrete Engineering) An aggregate used in heavy weight concrete, consisting primarily of ferrous metaferrite (Fe304). A black magnetic iron ore with a specific gravity of approximately 5.2 and a Mohs hardness of about 6.

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.

Consolidation

(Concrete Engineering) Compaction usually accomplished by vibration of newly placed concrete to minimum practical volume, to mold it within form shapes and around embedded parts and reinforcement, and to eliminate voids other than entrained air.

คอนกรีต

น. วัสดุก่อสร้าง ประกอบด้วยซีเมนต์ ทราย หิน และนํ้า ผสมเคล้าเข้าด้วยกัน เมื่อแห้งแข็งตัวแล้วจะเป็นวัสดุที่แข็งมาก. (อ. concrete).

Base

(english) The steel or concrete pedestal on which the coils are stacked during the batch annealing process.