NEW SHARJAH-KHORFAKKAN ROAD

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Reinforced Soil Walls and Slope Reinforcement

2020

KHORFAKKAN - SHARJAH - U.A.E.

Government of Sharjah, Roads & Transport Authority.  

NEW SHARJAH-KHORFAKKAN ROAD

Problem

In order to reduce the travel distance between the cities Sharjah and Khorfakkan, a new road project was planned by the Government of Sharjah. This new road targets to reduce the travel time from 2 hrs to 1 hr, between these two cities. However, to accomplish this, the path of this new road must be aligned through the Hajar mountains and this foresees many engineering challenges during construction. Once completed, this 89 km long new road will consist of two sections. The first one is a two-lane road 65 km long. The second section lasts 24 km and here the road lies through the mountains, in which 5 tunnels are required (refer plan view). Due to the presence of weathered rock at the entrance and exit of the tunnels, it is required a robust, durable and aesthetically appealing stabilization solution.

Solution

From the previous successful experience of Terramesh system walls, the consultant approached Maccaferri Middle East to propose Terramesh MSE walls as a protection system for the tunnel entrance and exit locations. Terramesh will stabilize the weathered rock at tunnel mouth and additionally will create a bench to contain the probable falling rock from high overlying cutting. The gabion faced Terramesh MSE wall solution will allow the use of locally blasted stone from Tunnel excavation which is expected to give an immediate integration with the mountain surrounding. The project was awarded in two contracts with two different contractors. In order to achieve the consistency of the 5 tunnels done in parts by the two contractors, the client and consultant instructed them to approach Maccaferri to design the Terramesh MSE wall for their project scopes. Accordingly, considering two sides for the 5 tunnels, a total of 10 number small Terramesh walls had to be constructed. Maccaferri was involved in design, supply and site assistance of the project.

Used Products

加筋格宾
加筋格宾
马克菲尔 Terramesh® 系列包括用于建造机械稳定土 (MSE) 结构和加固土坡 (RSS) 的不同面层选项。 加筋格宾由双绞合金属网(网孔规格8X10)构成,可就地随时组装。面板及盖板是一块连续的网板,无需现场切割操作。 Terramesh® 装置由优质钢丝和聚合物涂层 (PolimaView
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无纺土工布
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无纺土工布是由合成纤维组成的扁平织物结构,通过针刺或热处理随意组装而成;主要用于实现分离、过滤和保护功能,并且是许多其他复合材料与土工合成材料组合的基础。 它们的质量和性能会因纤维长度、使用的聚合物、组装过程等而有所不同; 土工合成材料是最常见的一种。View
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MonoAxial GeoGrids单轴土工格栅
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MonoAxial GeoGrids单轴土工格栅主要用于加固,其独特的结构能够提供必要的强度来加固填充材料以及稳定土壤颗粒。 单轴型的特点是在机械拉伸方面具有较好的抗拉强度,且CMD 性能降至最低View
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