川藏公路沿线古冰碛区大型滑坡治理的
技术难题及对策
                   
摘要：根据近几年川藏公路地质灾害防治工作的科研成果和大量的实际经验，总结高寒缺氧地区的特殊地层中，施工大孔径高吨位预应力锚索工程，进行滑坡灾害治理的技术难点及相应对策，并以川藏公路102滑坡群2号滑坡的整治工程予以说明。本文所介绍的内容对类似条件下的工程有借鉴用。
关健词：地质灾害   冰碛层    滑坡   预应力锚索
1、川藏公路沿线地质灾害的主要形式及其危害程度
对地质学家而言，川藏公路素有地质博物馆之美称，沿线地形、地貌和地质现象的复杂性和多样性其称世界之最。
同样，由于地形、地貌、地层条件及气候的复杂性和多变性，使得川藏公路沿线的地质灾害也表现出不同寻常的特殊性的复杂性。每年雨季，川藏公路沿线大大小小的滑坡、崩塌、泥石流、落石等地质灾害频频发生，造成极为严重的经济损失和社会影响，制约西藏地区的经济发展，影响社会稳定。以著名的102滑坡群为例：该滑坡地区
Urban Land Development Traffic Impact Analysis and Models
Abstract: This paper summarizes a more comprehensive system of urban land development traffic impact analysis on the patterns and models, including traffic impact analysis of the general procedure, background traffic analysis, trip generation, trip distribution and traffic assignment, and the sensitivity analysis, service level main content. Although these models and models based on North American urban traffic characteristics and socio-economic value based on the idea, but not lose its general reference and guidance.

We know that land use is closely related with the traffic. The development of urban land value and development after the appeal to a large extent depends on the flow of traffic around the road system and good services. In general, reconstruction and extension through the road system, increase its capacity, can enhance the accessibility of urban land. However, this will stimulate a new land development activity, resulting in the new travel requirements. Will lead the new travel demand