Specifications of splayed walls on both sides of the bridge

The splayed wall consists of a gravel cushion with a thickness of 40 cm and a foundation with a thickness of 60 cm. The wall is 2.47m high, 46cm wide at the upper part and112cm wide at the lower part. The inside is vertical, and the slope of the outside is 3.75: 1. The left and right splayed walls form an included angle of 30 degrees with the culvert axis.

A splayed wall, as its name implies, is a two-sided wall shaped like a splayed shape. In culvert construction, it is the two walls of the entrance and exit of the hole, and it is a form of the hole.

Ancient buildings should be two eight-character walls at the entrance of ancient big houses or yamen, which usually have slogans or couplets written on them.

The eight-character wall, as its name implies, refers to two walls shaped like the "8", which are the two sides of the entrance and exit of the culvert. An ancient building should be two splayed walls at the entrance of an ancient mansion or yamen. Generally write slogans or couplets on it, such as justice and honesty.