桥梁工程中经常遇到双向偏心受压的砌体构件，但现行的公路桥涵设计规范却没有这方面的内容。

Biaxial eccentric compression masonry members are often used in bridge engineering, yet they are not prescribed in the present specifications for design of highway Bridges and culverts.

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建议在《城市道路设计规范》修订前，应参照《公路水泥混凝土路面设计规范》来进行水泥混凝土路面设计。

The design of cement concrete pavement slabs should be consulted "Specification for Highway cement concrete pavement design" before the revision of "Specification for Urban Road design".

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另外，现行的公路桥涵设计规范，在对桥梁受弯构件承载能力计算中采用了一些基本假定，导致计算结果过于保守。

Besides, the current bridge and culvert design criterion takes some basic postulation during the calculation of the bridge's member in bending, which results in over-conservative numeric value.

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