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球墨铸铁井盖负载实验与哪些因素有关?

来源:http://www.kpp647.com添加时间:2018-06-22 17:58:05

球墨铸铁井盖盖是一个可拆卸的板,它在球墨铸铁井盖的开口处形成盖子,防止任何人或任何东西掉进去,也可以防止未经许可的人或材料。

The cover cover of the ductile iron well is a detachable plate, which forms a cover at the opening of the ductile iron shaft cover to prevent anyone or anything from falling into it. It can also prevent unauthorized persons or materials.

轴承表面的球墨铸铁井盖框架和涵盖的机械保证平整度和防止脱落的交通。

The bearing surface of the ductile iron manhole cover frame and covers the machinery to ensure flatness and to prevent shedding traffic。

球墨铸铁井盖

Spheroidal graphite cast iron well cover

规格的铸铁井盖和框架应按照是1726:1991,如下所示:

The cast iron manhole covers and frames should be in accordance with 1726:1991, as follows:

等级和类型:

Grades and types:

本标准所涵盖的球墨铸铁井盖盖和框架应包括以下四个等级和类型:

The cast iron covers and frames covered by this standard should include the following four grades and types:

请参阅1726。1991节第3。2节建议的位置放置不同的等级和类型/形状的井盖和框架。

Please refer to the recommended location in section 1726。1991, Section 3。2, for placing manholes and frames of different grades and types / shapes。

材料:210∶1978。

QQ截图20170303165305.png

Material: 210: 1978。

适当等级的灰铸铁,不低于FG 150级。

The appropriate grade of grey cast iron is not less than grade FG 150.

球墨铸铁井盖盖和框架部分

Cover cover and frame part of ductile iron well

盖和框架

Cover and frame

?封面和框架应清洁铸造。

The cover and frame should be clean and cast.

?盖应在手术前提出的格子设计提供适当的不防滑。的格子的兴起应不小于4毫米。

The cover should be provided with proper non skid resistance before the operation of the lattice design。 The rise of the lattice should not be less than 4 millimeters。

钥匙孔和钥匙

Keyhole and key

锁紧装置

Locking device

性能要求:

Performance requirements:

表1:基本性能的井盖和框架要求(每1726:1991)

Table 1: manhole covers and frame requirements for basic performance (per 1726:1991)

表2:对盖和框架的尺寸允许公差(每1726:1991)

Table 2: tolerance of cover and frame dimensions (per 1726:1991)

尺寸:

Size:

表3:铸铁井盖尺寸(每1726:1991)

Table 3: the size of the cast iron well cover (per 1726:1991)

涂层:

Coating:

球墨铸铁井盖盖和框架应涂有带有黑色沥青组合物的材料。涂层应光滑、坚韧。当接触到63℃的温度时,它不应流动,也不应如此易碎,以致于在0°C的温度下脱落。

The cover and frame of nodular cast iron well should be coated with black asphalt composition. The coating should be smooth and tough. When exposed to a temperature of 63 C, it should not flow and should not be so fragile that it falls off at a temperature of 0 C.

采样::

Sampling::

抽样的缺陷和允许的数量

Sampling defects and allowable numbers

表4抽样的缺陷和允许的数量(每1726:1991)

Table 4 sampling defects and allowable quantities (per 1726:1991)

负载测试:

Load test:

载荷试验样品:每一级的50或部分每一批次的样品数量应为一个,制造的类型/形状和尺寸。

Load test samples: the number of samples per batch of 50 or part of each batch should be one, the type, shape and size。

球墨铸铁井盖盖应承受,不断裂,在给定的表中规定的载荷,在承受载荷试验时至少30秒。

The cover of ductile iron covers should not be broken, and the load specified in the given table will be at least 30 seconds in the load test.



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