地震研究

为了深入了解穿斗式木结构的抗震能力,从该结构的建筑构造特点出发对其进行详细介绍。基于对贵州黔西南州、黔南州的乡镇村落的实地调查,对穿斗式木结构的建筑特点和构造特点进行了分类归纳; 根据2021年四川泸县6.0级、2022年泸定6.8级地震震中的现场震害调查结果以及自2013以来西南地区6.0级以上典型地震的震害资料,总结了穿斗式木结构房屋的典型震害,包括屋面破坏、围护墙破坏、木构架破坏等,并分析了其震损原因。结果表明:穿斗式木结构独特的榫卯连接形式,使其木构架在地震作用下表现出良好的抗震能力,而填充墙抗震性能相对较差。

In this paper we firstly introduce the characteristics of the Chuandou-type structure in detail,in order to help further understand the seismic capacity of the Chuandou-type timber frame.Based on the field investigation of towns and villages in Qianxinan and Qiannan prefecture of Guizhou province,we classified the architectural characteristics and structural characteristics of the Chuandou-type timber frame.According to the field survey in the disaster areas of the 2021 Luxian MS6.0 earthquake and the 2022 Luding MS6.8 earthquake in Sichuan,and the seismic damage data of the typical earthquakes(MS≥6.0)in southwest China since 2013,the typical earthquake damage to the roof,wall,wood frame,etc.of the Chuandou-type timber frame is summarized.Finally,the causes of damage to the Chuandou-type timber frame are analyzed.The results show that it's unique tenon-mortise connection ensures the good seismic performance of the Chuandou-type timber frame when It's hit by earthquakes.Yet the seismic performance of the Chuandou-type timber frame's infilled walls is relatively poor.

引言
1 贵州山区穿斗式木结构房屋的建筑特点
2 贵州山区穿斗式木结构房屋构造特点
3 西南地区穿斗式木结构震害特征分析
4 结论

图1 现场调研路线图(2022年6月7—17日)<br/>Fig.1 Field survey roadmap(June 7-17,2022)

图1 现场调研路线图(2022年6月7—17日)
Fig.1 Field survey roadmap(June 7-17,2022)

图2 穿斗式木结构房屋的外观及环境<br/>Fig.2 Appearance and environment of the Chuandou-type timber frame

图2 穿斗式木结构房屋的外观及环境
Fig.2 Appearance and environment of the Chuandou-type timber frame

图3 穿斗式木结构房屋平面基本布局<br/>Fig.3 Basic layout of the Chuandou-type timber frame

图3 穿斗式木结构房屋平面基本布局
Fig.3 Basic layout of the Chuandou-type timber frame

图4 穿斗式木结构房屋立面基本功能分区<br/>Fig.4 Facade basic function partition of the Chuandou-type timber frame

图4 穿斗式木结构房屋立面基本功能分区
Fig.4 Facade basic function partition of the Chuandou-type timber frame

图5 穿斗式木结构房屋的木板墙拼装方式<br/>Fig.5 Assembly of the wooden wall of the Chuandou-type timber frame

图5 穿斗式木结构房屋的木板墙拼装方式
Fig.5 Assembly of the wooden wall of the Chuandou-type timber frame

图6 穿斗式木结构房屋的构造特点<br/>Fig.6 Structural characteristics of the Chuandou-type timber frame

图6 穿斗式木结构房屋的构造特点
Fig.6 Structural characteristics of the Chuandou-type timber frame

图7 穿斗式木结构房屋侧脚处理<br/>Fig.7 Side foot treatment of Chuandou-type timber frame

图7 穿斗式木结构房屋侧脚处理
Fig.7 Side foot treatment of Chuandou-type timber frame

图8 穿斗式木结构房屋的屋面构造关系<br/>Fig.8 Roof structure of the Chuandou-type timber frame

图8 穿斗式木结构房屋的屋面构造关系
Fig.8 Roof structure of the Chuandou-type timber frame

表1 穿斗式木结构房屋榫卯连接节点<br/>Tab.1 Tenon joint connection node of the Chuandou-type timber frame

表1 穿斗式木结构房屋榫卯连接节点
Tab.1 Tenon joint connection node of the Chuandou-type timber frame

图9 穿斗式木结构房屋基础部分<br/>Fig.9 Base component of the Chuandou-type timber frame

图9 穿斗式木结构房屋基础部分
Fig.9 Base component of the Chuandou-type timber frame

图10 2021年四川泸县6.0级地震(a)和2022年四川泸定6.8级地震(b)影响场与现场调查区分布图<br/>Fig.10 Earthquake-effected areas and the earthquake-intensity areas by field investigation of the 2021 Luxian MS6.0 earthquake(a)and the 2022 Luding MS6.8 earthquake(b)

图10 2021年四川泸县6.0级地震(a)和2022年四川泸定6.8级地震(b)影响场与现场调查区分布图
Fig.10 Earthquake-effected areas and the earthquake-intensity areas by field investigation of the 2021 Luxian MS6.0 earthquake(a)and the 2022 Luding MS6.8 earthquake(b)

图11 2022年泸定6.8级地震木穿斗式木结构房屋屋面震损<br/>Fig.11 Roof damage to Chuandou-type timber frame in the disaster areas of the 2022 Luding MS6.8 earthquake

图11 2022年泸定6.8级地震木穿斗式木结构房屋屋面震损
Fig.11 Roof damage to Chuandou-type timber frame in the disaster areas of the 2022 Luding MS6.8 earthquake

图12 穿斗式木结构房屋围护墙震损<br/>Fig.12 Damage to the wall of Chuandou-type timber

图12 穿斗式木结构房屋围护墙震损
Fig.12 Damage to the wall of Chuandou-type timber

图13 穿斗式木结构房屋木构架典型震损<br/>Fig.13 Typical earthquake damage to the wooden frame of the Chuandou-type timber frame

图13 穿斗式木结构房屋木构架典型震损
Fig.13 Typical earthquake damage to the wooden frame of the Chuandou-type timber frame

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备注

引言

1 贵州山区穿斗式木结构房屋的建筑特点

2 贵州山区穿斗式木结构房屋构造特点

3 西南地区穿斗式木结构震害特征分析

4 结论

期刊信息