Subgrade - Wikipedia
网页In transport engineering, subgrade is the native material underneath a constructed road, [1] pavement or railway track (US: railroad track). It is also called formation level. The subgrade provides support to the subbase level and acts as an integral load-bearing layer.
subgrade是什么意思_subgrade的翻译_音标_读音_用法_例句_爱词 …
网页英 ['sʌbgreɪd] 美 ['sʌbˌgreɪd] 释义. n. 地基，路基; 软地基. 实用场景例句. 全部. Improved soil is very important for subgrade of highspeed railway. 改良路堤填料是高速铁路路基的重要内容. 互联网. The term highway includes its highway subgrade pavement, bridges, culverts and tunnels. 公路包括公路的路基、路面 、 桥梁 、 涵洞、隧道. 互联网. The deformation of subgrade is composed of consolidation and creep.
Subgrade - Pavement Interactive
网页The “subgrade” is the in situ material upon which the pavement structure is placed. Although there is a tendency to look at pavement performance in terms of pavement structure and mix design alone, the subgrade can often be …
Subgrade Definition & Meaning - Merriam-Webster
网页2024年5月10日 · The meaning of SUBGRADE is a surface of earth or rock leveled off to receive a foundation (as of a road).
What is Subgrade in Construction? - AlSyed Construction …
网页2024年3月6日 · Subgrade, often referred to as the foundation’s foundation, is the native soil (or the improved soil) beneath a construction project, which is prepared to support the layers above it, such as the subbase, base course, and pavement.
Understanding the Subgrade: Component of Construction
网页2023年9月12日 · The subgrade refers to the natural soil or aggregate layer located beneath the surface of a road, pavement, or building foundation. It serves as the primary support for the overlying structure and plays a crucial role in distributing the loads imposed on it.
Subgrade Preparation for New Pavements - Pavement Interactive
网页Subgrade Preparation for New Pavements. The overall strength and performance of a pavement is dependent not only upon its design (including both mix design and structural design) but also on the load-bearing capacity of the subgrade soil. Thus, anything that can be done to increase the load-bearing capacity (or structural support) of the ...
网页2020年3月6日 · The subgrade is that portion of the pavement system that is the layer of natural soil upon which the pavement or subbase is built. Subgrade soil provides support to the remainder of the pavement system. The quality of the subgrade will greatly influence the pavement design and the actual useful life of the pavement that is constructed.
Subgrade - an overview | ScienceDirect Topics
网页The subgrade is the deepest layer of the pavement and supports the base and the asphalt layers. The water content in the subgrade may come from surface filtration through the cracks in the upper layers, from the subsoil water, or due to filtrations from the road's gutters.
Subbases and Subgrades - ACPA
网页A subbase is a thin layer of material placed on top of the prepared subgrade. Subbases provide uniform support to the pavement and a stable platform for construction equipment. Subbases also help prevent movement of subgrade soils at transverse pavement joints in roads subject to a large volume of truck traffic.
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