Causes of defects in subway tunnels, their influence on the operational condition and remedy methods
نویسندگان
چکیده
Problem. The most important task in the field of construction and operation subway tunnels is to solve issue assessing their technical condition. Timely detection, objective assessment development process damage defects underground structures timely elimination are key successful long-term operation. Goal. goal find causes destruction elements for analysis gaining experience prevention methods elimination. Methodology. operating subways shows that destructive processes often occur structures, which not immediately visible during supervision. Therefore, real condition building revealed already emergency conditions. To prevent this, it necessary clearly understand nature at an early stage eliminate them a manner. Results. Considering geotechnological human factor great importance modern Originality. Studies more common destructions load-bearing confirm difficulty predicting possible lead situations. Practical value. During subways, take into account hidden structures.
منابع مشابه
the influence of corpus luteum on follicular fluid composition from different size follicles and their relationship to serum concentrations in sanjabi ewes
the aim of the present study was to determine the in?uence of presence or absence of corpus luteum (cl) on hormonal and metabolites composition of follicular ?uid (ff) harvested from different sized follicles and its relationship with blood serum concentrations in sanjabi ewes. ovaries and blood samples were collected from 60 clinically healthy adult ewes (sanjabi breed) 1–3 years of age in dio...
on translation of politeness strategies in dialogues involving female characters in translations and retranslations of novels translated before and after the islamic revolution of iran and their effects on the image of women: a polysystem theory approach
abstract reception environment has considerable effects on accepting a translation. as the expectations of a target culture and its values and needs change throughout history, its criteria for accepting a translation or rejecting it will change accordingly (gentzler, 2001). the expectations of iran, as the reception environment in the present study, have changed after the islamic revolution. i...
the impact of attending efl classes on the level of depression of iranian female learners and their attributional complexity
می توان گفت واقعیت چند لایه ا ی کلاس های زبان انگلیسی بسیار حائز اهمیت است، زیرا عواطف و بینش های زبان آموزان تحت تاثیر قرار می گیرد. در پژوهش پیش رو، گفته می شود که دبیران با در پیش گرفتن رویکرد فرا-انسانگرایی ، قادرند در زندگی دانش آموزانشان نقش مهمی را ایفا سازند. بر اساس گفته ی ویلیامز و بردن (2000)، برای کرل راجرز، یکی از بنیان گذاران رویکرد انسانگرایی ، یادگیری بر مبنای تجربه، نوعی از یاد...
on the comparison of keyword and semantic-context methods of learning new vocabulary meaning
the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Vestnik Har?kovskogo nacional?nogo avtomobil?no-dorožnogo universiteta
سال: 2022
ISSN: ['2521-1773', '2219-5548']
DOI: https://doi.org/10.30977/bul.2219-5548.2022.98.0.120