نتایج جستجو برای: pavement design
تعداد نتایج: 965810 فیلتر نتایج به سال:
In the first part of this paper, an analysis of the data collected during the American Association of State Highway Officials (AASHO) Road Test, based on probabilistic duration modeling techniques, is presented. Duration techniques enable the stochastic nature of pavement failure time to be evaluated as well as censored data to be incorporated in the statistical estimation of the model paramete...
A review of the problem of aircraft skidding on Naval airfields during landings and a thorough literature search on the work conducted on friction coefficient were made. The literature search revealed that much ,vork has been conducted on basic theoretical studies of friction coefficient, on development of friction measuring devices, and on investigations to determine the factors which affect t...
To measure stiffness of the compacted pavement, practitioners use the Compaction Meter Value (CMV); a ratio between the amplitude for the first harmonic of the compactor’s acceleration and the amplitude corresponding to the vibration frequency. Numerous experiments show that CMV is highly correlated with the pavement stiffness, but as of now, there is no convincing theoretical explanation for t...
IN T R O D U C T IO N T he In d iana D epartm ent of Highways has em barked upon es tab lish ing a Pavem ent M anagem ent System (PMS). As a p a rt of this, the Jo in t H ighway R esearch Project has had an on-going research p ro ject for the past several years dealing with m ethods of m easuring pave m ent condition in Ind iana . Research at P urdue on the use of roughness m easuring devic...
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