منابع مشابه
Pavement Evaluation and Pavement Maintenance
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...
متن کاملAn Introduction to Tire/Pavement Noise of Asphalt Pavement
1.0 Introduction ..........................................................................................................................................................2 2.0 Relevant Topics in Sound and Acoustics ............................................................................................................... 2.1 Sound...............................................................
متن کاملMeasuring and Analyzing Pavement Texture Concrete Pavement Surface Characteristics Program
Introduction Pavement texture is defined by the irregularities on a pavement surface that deviate from an ideal, perfectly flat surface. As shown in Figure 1, the World Road Association (PIARC) has established standard categories of texture, classified by wavelength. These categories include microtexture (wavelengths up to 0.5 mm), macrotexture (0.5 to 50 mm), megatexture (50 to 500 mm), and ro...
متن کاملFlexible Pavement Test Sections for Studying Pavement Design
It is a well-recognized fact that our pavement design procedures are inadequate in general and seriously lacking in many particulars. The fact that this statement can be applied on a county, state or national basis is little consolation to those in Indiana who must design and build pavements, for ever-changing traffic conditions, in such mileage and at such unit costs compared to the funds avai...
متن کاملPulmonary endothelial pavement patterns.
The appearance of the endothelial pavement pattern was studied in the pulmonary trunk, pulmonary veins, aorta, and inferior vena cava of the rat by means of silver staining of the cell borders. The endothelial cell in each of the four blood vessels was found to have its own distinctive shape, fusiform and pointed in the direction of blood flow in the case of the aorta and larger and more rectan...
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ژورنال
عنوان ژورنال: Minutes of the Proceedings of the Institution of Civil Engineers
سال: 1884
ISSN: 1753-7843
DOI: 10.1680/imotp.1884.21585