ผลการค้นหา

ค้นเจอ 109 รายการ

Boring Tool

(english) A cutting tool in which the tool bit,the boring bar and in some cases the tool holder are incorporated.

Primary treatment

(Environmental Engineering) Treatment which includes all operation prior to and including primary treatment, e.g., bar screening, grit removal, comminution, and primary sedimentation.

Bit, Tool (cutter)

(english) A hardened steel bar or plate that is shaped accordidng to the operation to be performed and the material to be machined.

Blister Steel

(english) High-carbon steel produced by carburizing wrought iron. The bar, originally smooth, is covered with small blisters when removed from the cementation (carburizing) furnace.

Rebound

(Concrete Engineering) Wet shotcrete or sand and cement which bounces away from a surface again at which pneumatically applied mortar is being projected.

Band, Inside

(english) A loose steel frame placed inside a removable flask to reinforce the sand at the parting line after the flask has been removed.

Baked Strength

(english) Compressive, shear, tensile or transverse strength of a mold sand mixture when baked at a temperature above 231 B0F (111 B0C) and then cooled to room temperature.

soil separates

อนุภาคดินแบ่งตามขนาด : อนุภาคของดินที่พิจารณาตามขนาดของมัน แบ่งออกเป็น 3 ชนิด คือ ทราย (sand) ตะกอนดิน (silt) และดินเหนียว (clay) ซึ่งจะมีขนาดตั้งแต่ 2.00 ถึง 0.02 มม. ,0.02 ถึง 0.002 มม. และ 0.002 มม. ลงไป ตามลำดับ

Brake

(english) A piece of equipment used for bending sheet; also called a bar folder. If operated manually, it is called a hand brake; if power driven, it is called a press brake.

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.

Cellular Concrete

(Concrete Engineering) A lightweight product consisting of portland cement, cement-pozzolan, cement sand, lime-pozzolan, or lime-sand pastes, or pastes containing blends of these ingredients and having a homogenous void or cell structure, attained with gas forming chemicals or foaming agents. For cellular concretes, containing binder ingredients other than or in addition to portland cement, autoclave curing is usually employed.

Bars

(english) A relatively long straight, rigid piece pf metal; long steel products rolled from billets into such shapes as squares,rectangles, rounds,angles,channels,hexagons,and tees. In steel, “merchant bars” include rounds,flats,angles,squares,and channels that are used by fabricators to manufacture a wide variety of products such as furniture,stair railings and farm equipment. Concrete reinforcing bar (rebar) is used to strengthen concrete in highways,bridges and buildings.

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