Civil Engineering: Road Design

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Cambodia Road Traffic Signs

Road signs in Cambodia are standardized road signs similar to those used in other nations but with certain differences.Until the early 1980s, Cambodia...

AutoCAD Civil3D 2017 Book Volume-II (Khmer Language)

AutoCAD Civil 3D software is a leading civil engineering design program for Windows PC, provides project teams with a more comprehensive surveying,...

AutoCAD Civil3D 2017 Book Volume-I (Khmer Language)

AutoCAD Civil 3D software is a leading civil engineering design program for Windows PC, provides project teams with a more comprehensive surveying,...

Road Construction (Khmer Language )

The construction of a new road – whether from asphalt or concrete requires the production of an excellently bonded pavement...

Road Construction Materials (Khmer Language )

Generally, the material used for road construction. -Asphalt. -Concrete. -Composite pavement. -Recycling. -Bituminous surface. -Gravel...

Geometry of Road (Khmer Language)

The geometric design of roads is the branch of highway engineering concerned with the positioning of the physical elements...

Royal Cambodian Government Road Maps

Royal Cambodian Government Road maps 24 ProvinceCambodia road map 1:750 000 Catalog Record Only Road maps with tourist features....

International Road Maintenance Part 4 (Khmer Language )

International Road Maintenance Part 4 Download this book to read more ...

International Road Maintenance Part 3 (Khmer Language )

International Road Maintenance Part 3 Download this book to read more ...

International Road Maintenance Part 2 (Khmer Language )

International Road Maintenance Part 2 Download this book to read more ...

International Road Maintenance Part 1 (Khmer Language )

International Road Maintenance Part 1 Download this book to read more ...

National Road Number Structure in Cambodia

National Road Number Structure in Cambodia Please download this book to read more in the Khmer language.Cambodia Road...

Engineering Surveying NTTi (Khmer Language )

This book will teach you about basic for Engineering Surveying How to used topography machine 1.Theodolite 2.Auto Level 3.Digital...

Technical Standard Specification ( Khmer Language )

Technical standard specification for road maintenance and construction This specification for Cambodia standard. Please download...

Bridge Design Standard (MPWT)

The Cambodia Bridge Design Standard is intended to be used for the design of all new road and railway bridges in the Kingdom...

Road Design Standard Part 3 - Drainage (MPWT)

The Cambodia Road Design Standard is intended to be used for the design of all new roads in the Kingdom of Cambodia. The Cambodian...

Road Design Standard Part 2 - Pavement (MPWT)

The Cambodia Road Design Standard is intended to be used for the design of all new roads in the Kingdom of Cambodia. The Cambodian...

Road Design Standard Part 1 - Geometry (MPWT )

The Cambodia Road Design Standard is intended to be used for the design of all new roads in the Kingdom of Cambodia. The Cambodian...

Where local irregularities in the existing surface would otherwise result in an asphaltic layer more than 75 mm thick after compaction, the surface shall be brought to uniform contour by patching with an asphaltic material to be approved by the Engineer and thoroughly tamping or rolling it until it
conforms with the surrounding surface. The mixture used shall be the same as that specified for the next layer, unless the size of the largest aggregate in the mixture precludes this, in which case the Engineer will decide the mixture to be used.
Where the existing pavement is broken or shows instability, the unsuitable material shall be removed and disposed of as directed by the Engineer and replaced with the same asphaltic material as specified for the succeeding pavement layer, compacted to the specified standard and to the elevation of the adjacent surface.
Where the existing surface course is stabilised or constructed of asphaltic materials or Portland cement concrete, and if the edge of the course has become eroded, disintegrated,or broken, the edges shall be trimmed back, the debris removed and disposed of, and the space backfilled with an
asphaltic material or with gravel or similar approved material, and then compacted, as directed by the Engineer.
The surface upon which the asphaltic material is to be placed shall be swept thoroughly and cleaned of all loose dirt and other objectionable material immediately before spreading the asphaltic materials.
Before spreading the asphaltic material upon a Portland cement concrete surface all longitudinal and transverse joints shall be cleaned out and filled with an approved sand asphalt mix. Cracks shall be similarly treated as directed by the Engineer.
Wherever possible the cleaning out shall be to a depth of 40 mm or more and the sand asphalt shall be thoroughly compacted in joints and cracks to a level which will not be more than 5mm below the surface.
If instructed by the Engineer a tack coat shall be applied in accordance with Section 4.3 of these Specifications. If the Engineer considers an additional tack coat is required prior to laying the asphaltic material or between successive layers of the asphaltic material, due to solely to the Contractor’s method of working, then such tack coat shall be at the Contractor’s expense.

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Preparation of Existing Surface

Where local irregularities in the existing surface would otherwise result in an asphaltic layer more than 75 mm thick after compaction, the surface...

AutoCAD Civil3D 2014 (Khmer Language)

This book will teach you What is Autodesk Civil 3D? - Site surveying - Data preparation - Civil 3D interface - Drawing setup -...

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