天津地区地温变化特征研究
摘要:为满足天津地区地下空间开发建设需求，以地铁项目38组地温测试数据为基础，对地温的变化情况进行了分析研究，查清了地温随环境气温及地层埋深的变化规律，得出天津地区恒温层深度的确定方法及恒温温度的拟合计算公式，并分别对中心城区、环城四区及滨海新区恒温层的埋深及温度做了进一步研究。结果表明：天津地温达到稳定时的平均深度为8～10 m，稳定温度一般为13～17 ℃；地温在0～10 m随深度变化较为剧烈，10～25 m则相对稳定；天津地区恒温层深度可由地温与深度关系曲线上温度变化率递减至0.2或其以下时对应的最小深度确定，其恒温温度可依据平均气温、月平均气温由公式计算确定；各区恒温层埋深一般平均在10 m左右，其恒温温度平均为16 ℃。
Abstract:In order to meet the needs of underground space development and construction in Tianjin, the changes of ground temperature were analyzed and studied based on 38 sets of ground temperature test data of the subway project, and the law of ground temperature changes with environmental temperature and stratum burial depth were found out. The method for determining the depth of the constant temperature layer in this area and the fitting calculation formula of the constant temperature are given. The buried depth and temperature of the constant temperature layer in the central city, the four districts around the city and the Binhai New Area are further studied. The results show that when the ground temperature in Tianjin is stable, the average depth is 8～10 m, and the stable temperature is generally 13～17 ℃. The ground temperature varies drastically with depth in the range of 0～10 m, while it is relatively stable in the range of 10～25 m. The depth of the constant temperature layer in Tianjin can be determined by the minimum depth corresponding to the temperature change rate decreasing to 0.2 or below on the relationship curve between ground temperature and depth, and the constant temperature can be determined by formula calculation based on the average temperature and monthly average temperature. The buried depth of the constant temperature layer in each district is generally about 10 m on average, and the average constant temperature is 16 ℃.
中文标题：
天津地区地温变化特征研究
Research on Characteristics of Ground Temperature Variation in Tianjin
作者：
温伟光1,,路清1,王辉1, 2,刘晓磊1, 2
Wen Weiguang1,,Lu Qing1,Wang Hui1, 2,Liu Xiaolei1, 2
作者简介:温伟光，男，1985年生，汉族，内蒙古包头人，大学本科，高级工程师，主要从事岩土工程咨询及勘察审图业务。E-mail：13820032262@163.com
通讯地址：
1.天津市勘察设计院集团有限公司，天津 300191 2.天津泰勘工程技术咨询有限公司，天津 300191
1.TianjinSurveyDesignInstituteGroupCo.,Ltd.,Tianjin300191,China 2.TianjinTaiProspectingEngineeringConsultingCo.,Ltd.,Tianjin300191,China
中图分类号:P 468.0+21
doi:10.3969/j.issn.1007-2993.2021.05.007
出版物：岩土工程技术
收稿日期:2020-09-27
刊出日期:2021-10-22
关键词:地温测试,环境气温,恒温层深度,恒温层温度,地温变化规律
Key words:ground temperature test,environment temperature,constant temperature depth,constant temperature,regularity of ground temperature change
文档包含图片数量：图片(4)张
文档包含表格数量：表格(4)个
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基金项目：
基金项目:天津市建委科技项目“天津市建筑与小区海绵城市建设关键技术研究”（2017-05）
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