定价： 689元 / 折扣价： 586 元

定价： 0元 / 折扣价： 0 元 加购物车

定价： 689元 / 折扣价： 586 元 加购物车

定价： 605元 / 折扣价： 515 元 加购物车

定价： 515元 / 折扣价： 438 元 加购物车

1.1 This specification covers general requirements for prestressed concrete poles statically cast for use as structural supports for lights, distribution, transmission, and dead end poles.1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价： 515元 / 折扣价： 438 元 加购物车

定价： 0元 / 折扣价： 0 元 加购物车

1. Scope 1.1 This Standard applies to free-standing poles of ferrous metal, aluminum, concrete, and wood, and to their accessories, for use in the support of lighting equipment having ratings of 600 V and less, intended to be installed in the commerci

定价： 455元 / 折扣价： 387 元

定价： 0元 / 折扣价： 0 元 加购物车

1.1 This specification covers new coal-tar creosote, and creosote in use, for the preservative treatment of piles, poles, and timber for marine, land, and fresh water use. Test Methods D38 covers the sampling of wood preservatives prior to testing.

定价： 0元 / 折扣价： 0 元

1.1 This practice covers the full-length preservative treatment of utility poles by the thermal process.1.2 Poles furnished under this practice shall be limited to the following species: Douglas fir (Pseudotsuga menziesii),Lodgepole pine (Pinus contorta),Alaska yellow cedar (Chamaecyparis nootkatensis),Northern white cedar (Thuja occidentalis),and Western red cedar (Thuja plicata).1.3 The purchaser should note that requirements both within and between species vary and care must be used in selection of specific options for the intended use and service area.

定价： 0元 / 折扣价： 0 元

This specification covers spun cast prestressed concrete poles for use as structural supports for streetlights, traffic signals, and transmission, distribution, and communication lines. The acceptability of the poles shall be determined by the results of full-scale bending and torsional tests. The requirements for the following are specified: (1) materials such as cement, aggregate, water, chemical admixtures, steel, and inserts; (2) general requirements including concrete cover, circumferential wire, grounding, exterior surface treatment, and prestressing; and (3) loading requirements. Load test procedures for bending and torsional tests are detailed. Sets of fabrication and detail drawings shall be furnished as prescribed in this specification.1.1 This specification covers spun cast prestressed concrete poles for use as structural supports for electric transmission, distribution, and communication lines; streetlights; and traffic signals.1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendati