原位轴压法在混凝土砖砌体力学性能研究中的应用

打开文本图片集

中图分类号：TU362 文献标志码：A 文章编号：1005-8249（2026）02-0164-05

DOI：10.19860/j.cnki.issn1005-8249.2026.02.025

Application of In- Situ Axial Compression Method in the Study of Mechanical Properties of Concrete Brick Masonry

LI Tiechun'，WANG Conghui²，ZHANG Jianian³，SU Liquan4，WANG Wei5 （1.Hebei Provincial Construction Team Service Center， Shijiazhuang O50051， China； 2. Xin Zhongyuan Engineering Design Co.， Ltd.， Shijiazhuang O5OO0O，China；3. Hengshui People’s Hospital， Hengshui O5300，China； 4. Hebei Academy of Building Research Co.， Ltd.， Shijiazhuang 050021， China；5. Shijiazhuang City Drainage Pipeline Maintenance Center， Shijiazhuang O5Oooo，China） Abstract：Tosolvethe problem thatwhen thecompressvestrengthofconcretesolidbricksand porous bricks islower than MU15，the design value of masonry compresive strength cannot be obtained in accordance with the Code for Design of Masonry Structures，making itdificult tocalculate thecompressiveand seismicbearingcapacitiesof masonry.Takingatranslated building as an example，thisstudyuses theYJK Masonry Structure Design Module forauxiliarycalculation：first，the in-situ axial compresion methodisadoptedtomeasurethe masonycompresivestrengthonsite；then，basedonthecalculateddesign valueof masonrycompresive strength，theabove-mentionedcodeisconsulted todeterminethe matched strengthgradesof bricksand mortar，soas tocompletethecalculationof compresive bearingcapacity；whencalculating theseismic bearing capacity，the measured mortarcompresive strength value isre-entered.Theresults showthat6 measuring areasarerandomly selectedforeachfloorfromthebasementfirstfloortothefourthfloorofthebuilding，andtheobtaineddesignvaluesofmasonry compressvestrengthrange from1.8～2.4MPa；inaddition，theestimated valuesofmortarstrengthallfallwithinthestrength rangeobtainedfrom thecode，and thecalculationof bearingcapacityissuccesfullycompleted.The study indicates thatheinsituaxialcompressionmethodcanefectivelysolvetheproblemofdeterminingthemasonrycompresivestrengthforlow-strength blocks，provide keyparameters fortheYJK MasonryStructure Design Module，ensurethecalculation acuracy，and is suitable for practical engineering testing and appraisal.

Key words：： in- situ axially loaded test；concrete brick；masonry mechanical properties

0 引言

如何科学的评定砌体抗压的强度，为房屋的安全性、可靠性提供准确数据，是亟需解决的问题。（剩余5628字）