摘要
构造剥蚀丘陵地貌区地形起伏大,岩土层分布复杂,岩性风化程度差异显著,给土石方方量计算精度与施工组织带来了较大挑战。针对构造剥蚀丘陵地貌区平整工程的土石方方量计算问题,本文以福建省福州市闽清县云龙乡典型丘陵地貌场地为研究对象,提出一种基于条带式分解的分析模式,先根据地形特征和勘探点布设原则,将复杂的面状场地分解为若干个易于管理的线性条带区域;再在此模式下结合详细的岩性分级报告和数字测量数据,采用断面法进行土石方工程方量的计算,从而实现不同岩土层方量的分类精确统计。结果显示,研究区场地耕植土、全风化凝灰熔岩、砂土状强风化凝灰熬岩、碎块状强风化凝灰熔岩和中风化凝灰熔岩5类主要岩土层总挖方量为9591297.35 m^(3),填方量为94467.69 m^(3),表明该方法适用于构造剥蚀丘陵地貌区平整工程土石方方量计算。本文可为类似区域的工程设计、施工和资源利用提供重要参考。
The topography of tectonic erosion hilly landforms is characterized by significant undulations,complex distribution of geotechnical layers,and notable variations in rock weathering degrees,which pose considerable challenges to the accuracy of earthwork volume calculations and construction organizations.To address the earthwork volume calculation issue for grading projects in such regions,this paper takes a typical hilly terrain site in Yunlong Township,Minqing County,Fuzhou City,Fujian Province,as a case study,and proposes a strip-based decomposition analysis model.This model first divides the complex surface area into several manageable linear strip regions based on terrain features and exploration point layout principles.Then,it calculates the earthwork volume using the cross-section method based on the detailed lithological classification reports and digital measurement data to enable the precise classification and statistical calculation of the volumes for different geotechnical layers.The results show that the total excavation volume for the five major geotechnical layers(namely cultivated soil,fully weathered rhyolitic tuff,sand-like strongly weathered rhyolitic tuff,block-like strongly weathered rhyolitic tuff,and moderately weathered rhyolitic tuff)is 9,591,297.35 m^(3),with a fill volume of 94,467.69 m^(3).This demonstrates that the proposed method is suitable for calculating the earthwork volumes in tectonic erosion hilly landform areas.The findings of this study can provide valuable references and practical guidance for engineering design,construction,and resource utilization in similar regions.
作者
陈济强
CHEN Jiqiang(Fujian Jinchuangli Information Technology Development Co.,Ltd.,Fuzhou,Fujian 350000,China)
出处
《测绘标准化》
2025年第4期56-61,共6页
Standardization of Surveying and Mapping
关键词
构造剥蚀丘陵地貌
土石方
平整工程
方量计算
岩性分级
tectonic erosion hilly landform
earthwork
leveling engineering
volume calculation
lithology classification
