{"id":2099,"date":"2021-01-18T18:55:01","date_gmt":"2021-01-18T16:55:01","guid":{"rendered":"http:\/\/journals.khnu.km.ua\/vestnik\/?p=2099"},"modified":"2021-04-01T12:58:43","modified_gmt":"2021-04-01T09:58:43","slug":"%d1%80%d0%b0%d1%81%d1%87%d0%b5%d1%82-%d0%b6%d0%b5%d0%bb%d0%b5%d0%b7%d0%be%d0%b1%d0%b5%d1%82%d0%be%d0%bd%d0%bd%d1%8b%d1%85-%d0%ba%d0%b5%d1%81%d1%81%d0%be%d0%bd%d0%bd%d1%8b%d1%85-%d0%bf%d0%b5%d1%80","status":"publish","type":"post","link":"https:\/\/journals.khnu.km.ua\/vestnik\/?p=2099","title":{"rendered":"\u0420\u0430\u0441\u0447\u0435\u0442 \u0436\u0435\u043b\u0435\u0437\u043e\u0431\u0435\u0442\u043e\u043d\u043d\u044b\u0445 \u043a\u0435\u0441\u0441\u043e\u043d\u043d\u044b\u0445 \u043f\u0435\u0440\u0435\u043a\u0440\u044b\u0442\u0438\u0439"},"content":{"rendered":"

\u0420\u0410\u0421\u0427\u0415\u0422 \u0416\u0415\u041b\u0415\u0417\u041e\u0411\u0415\u0422\u041e\u041d\u041d\u042b\u0425 \u041a\u0415\u0421\u0421\u041e\u041d\u041d\u042b\u0425 \u041f\u0415\u0420\u0415\u041a\u0420\u042b\u0422\u0418\u0419<\/p>\n

CALCULATION OF REINFORCED CONCRETE CASSON FLOORS<\/p>\n

<\/a> \u0421\u0442\u043e\u0440\u0456\u043d\u043a\u0438: 207-211. \u041d\u043e\u043c\u0435\u0440: \u21162, 2019 (271)<\/strong>
\n\u0410\u0432\u0442\u043e\u0440\u0438:<\/strong>
\n\u0415. \u0410. \u042f\u0420\u0415\u041c\u0415\u041d\u041a\u041e
\n\u041e\u0434\u0435\u0441\u0441\u043a\u0430\u044f \u0433\u043e\u0441\u0443\u0434\u0430\u0440\u0441\u0442\u0432\u0435\u043d\u043d\u0430\u044f \u0430\u043a\u0430\u0434\u0435\u043c\u0438\u044f \u0441\u0442\u0440\u043e\u0438\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0430 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b
\n\u041d. \u0410. \u042f\u0420\u0415\u041c\u0415\u041d\u041a\u041e
\n\u041e\u0434\u0435\u0441\u0441\u043a\u0438\u0439 \u043d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u043c\u043e\u0440\u0441\u043a\u043e\u0439 \u0443\u043d\u0456\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442
\nH. A. YAREMENKO
\nOdessa State Academy of Construction and Architecture
\nN. A. YAREMENKO
\nOdessa National Maritime University
\nDOI:<\/strong> https:\/\/www.doi.org\/10.31891\/2307-5732-2019-271-2-207-211<\/a>
\n\u0420\u0435\u0446\u0435\u043d\u0437\u0456\u044f\/Peer review :<\/strong> 05.02.2019 \u0440.
\n\u041d\u0430\u0434\u0440\u0443\u043a\u043e\u0432\u0430\u043d\u0430\/Printed :<\/strong> 10.04.2019 \u0440.<\/p>\n

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\n\u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0441\u043b\u043e\u0432\u0430:<\/strong> \u043f\u0435\u0440\u0435\u043a\u0440\u044b\u0442\u0438\u0435, \u043a\u0435\u0441\u0441\u043e\u043d, \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435, \u0431\u0430\u043b\u043e\u0447\u043d\u044b\u0439 \u0440\u043e\u0441\u0442\u0432\u0435\u0440\u043a, \u043f\u0435\u0440\u0435\u043a\u0440\u0435\u0441\u0442\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430.<\/p>\n

\u0420\u043e\u0437\u0448\u0438\u0440\u0435\u043d\u0430 \u0430\u043d\u043e\u0442\u0430\u0446\u0456\u044f \u0430\u043d\u0433\u043b\u0456\u0439\u0441\u044c\u043a\u043e\u044e \u043c\u043e\u0432\u043e\u044e<\/strong><\/p>\n

One of the most common elements of various buildings and structures are flat reinforced concrete floors. In modern construction mainly used prefabricated and precast-monolithic floors. They are highly industrialized. Considered in the work of the system of cross beams, made of reinforced concrete, are flat ribbed, coffered floor. One of the current trends is the assessment of the stress – strain state and the carrying capacity of the cross beams and their systems. The aim of the work is to use a software package created for the implementation of the calculation and, as a consequence, the study of the stress-strain state of the systems of cross beams made of reinforced concrete. The paper presents the result of the calculation of the caisson overlap with the ribs, which are located in two directions. The calculation takes into account the physical nonlinearity of the material. The ribs are located in two directions. Thus, free architectural planning becomes possible, which in turn makes it possible to use the structure for various planning decisions. Characteristics and drawing of the studied model are given in the article. The overlap was calculated using a computer program that numerically implements the tasks of calculating reinforced concrete grillages on the basis of a spatial design scheme taking into account physical nonlinearity. On the basis of the obtained results, the stress – strain state of reinforced concrete decompression in the elastic stage of work and in the presence of cracks is analysed. In the vicinity of middle columns, there is an increase in bending moments and shear forces. Their magnitude is greater than the magnitude of the corresponding efforts in a continuous beam imitating the columnar overlap. The formation of cracks leads to an increase in deflections, a decrease in transverse forces and bending moments in the model under study. In the strip above the column, in the longitudinal row of columns, the forces fall much less than in the cross-section bands of the overlap.
\nKeywords:<\/strong> overlap, caisson, prestressing, beam grillage, cross system.<\/p>\n

Referenses<\/strong><\/p>\n

    \n
  1. Dimitrov B. The Stoman-concrete construction \/ Dimitrov B. \u2013 Sofia: \u201cTechnique\u201d, 1987. \u2013 286 p.<\/li>\n
  2. Manoilov L. Investigation of caisson floors \/ L. Manoilov, N. Ignatiev, B. Dimitrov, etc. \/\/ The Godish Book on VIAS, vol. XXXI, SWITK IX. \u2013 Sophia. \u2013 Stemano-concrete construction. 1983\u20131984. \u2013 p. 9\u201322.<\/li>\n
  3. Markov T. Experimental studies of caisson floors under long-term load. \/ T. Markov, N. Ignatiev, B. Dimitrov, etc. \/\/ Godishnik on VIAS, vol. XXXI, SVITK IX. \u2013 Sophia. \u2013 Stemano-concrete construction. 1983\u20131984. \u2013 p. 23\u201329.<\/li>\n
  4. Filin O.V. The stress-strain state of prestressed spans of reinforced concrete bridges \/ O.V. Filin, E.A. Yaremenko, N.A. Yaremenko \/\/ Resource-saving materials, structures, buildings and structures. \u2013 Exactly 2005. \u2013 Vol. 12 \u2013 p. 3030\u2013338.<\/li>\n
  5. Prokopovich I.E. Applied theory of creep \/ I.E. Prokopovich, V.A. Zedgenidze \u2013 Moscow: Stroyizdat, 1980. \u2013 240 p.<\/li>\n
  6. Prokopovich I.E. Practical recommendations on the calculation of the prestress losses and displacements of reinforced concrete span structures of bridges \/ I.E. Prokopovich, E.N. Scherbakov, M.V. Steinberg, V.A. Zavalin \u2013 M.: Transport construction, 1978. \u2013 \u2116 7 \u2013 p. 10\u201314.<\/li>\n
  7. Yaremenko N.A. On the calculation of beam grillages by the displacement method \/ N.A. Yaremenko \/\/ Bulletin of ONMU. \u2013 Odessa 2005. \u2013 Vol. 16 \u2013 p. 173\u2013188.<\/li>\n
  8. Surianinov M. Calculation of plate-beam systems by method of boundary elements \/ M. Surianinov, O. Shyliaiev \/\/ International Journal of Engineering & Technology. \u2013 2018. \u2013 \u2116 7 (2.23). \u2013 \u0420. 238\u2013241.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    \u0420\u0410\u0421\u0427\u0415\u0422 \u0416\u0415\u041b\u0415\u0417\u041e\u0411\u0415\u0422\u041e\u041d\u041d\u042b\u0425 \u041a\u0415\u0421\u0421\u041e\u041d\u041d\u042b\u0425 \u041f\u0415\u0420\u0415\u041a\u0420\u042b\u0422\u0418\u0419 CALCULATION OF REINFORCED CONCRETE CASSON FLOORS \u0421\u0442\u043e\u0440\u0456\u043d\u043a\u0438: 207-211. \u041d\u043e\u043c\u0435\u0440: \u21162, 2019 (271) \u0410\u0432\u0442\u043e\u0440\u0438: \u0415. \u0410. \u042f\u0420\u0415\u041c\u0415\u041d\u041a\u041e \u041e\u0434\u0435\u0441\u0441\u043a\u0430\u044f \u0433\u043e\u0441\u0443\u0434\u0430\u0440\u0441\u0442\u0432\u0435\u043d\u043d\u0430\u044f \u0430\u043a\u0430\u0434\u0435\u043c\u0438\u044f \u0441\u0442\u0440\u043e\u0438\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0430 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u041d. \u0410. \u042f\u0420\u0415\u041c\u0415\u041d\u041a\u041e \u041e\u0434\u0435\u0441\u0441\u043a\u0438\u0439 \u043d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u043c\u043e\u0440\u0441\u043a\u043e\u0439 \u0443\u043d\u0456\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442 H. A. YAREMENKO Odessa State Academy of Construction and Architecture N. A. YAREMENKO Odessa National Maritime University DOI: https:\/\/www.doi.org\/10.31891\/2307-5732-2019-271-2-207-211 \u0420\u0435\u0446\u0435\u043d\u0437\u0456\u044f\/Peer review : […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[],"_links":{"self":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/2099"}],"collection":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2099"}],"version-history":[{"count":3,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/2099\/revisions"}],"predecessor-version":[{"id":5326,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/2099\/revisions\/5326"}],"wp:attachment":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}