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THE TABLE OF CONTENTS

INTRODUCTION............................................................................................................. 5

SECTION 1. THE ANALYSIS OF RESEARCHES OF THE WARPING

INTEGRAL REINFORCED CONCRETE CONSTRUCTIONS AT POWER AND SREDOVYH IMPACTS.................................................................................................

12

1.1 Analysis of physical and settlement models of resistance

Ferro-concrete at power and sredovyh impacts.................................... 12

1.2 Influence of excited environments on a mechanical properties armaturnyh

Steels................................................................................................................. 19

1.3 Physical models of a warping of the reinforced-concrete

Designs of integral sectional view...................................................................... 20

1.4 Basic approaches and techniques to calculation of the reinforced-concrete

ploskonaprjazhennyh designs of integral sectional view................................... 25

1.5 Conclusions and statement of the purpose and research problems................................ 30

SECTION 2. SETTLEMENT MODELS OF THE LONG WARPING OF THE REINFORCED-CONCRETE INTEGRAL

DESIGNS AT SIMULTANEOUS DISPLAY OF THE POWER

AND SREDOVYH IMPACTS......................................................................... 32

2.1 Substantive provisions. Initial hypotheses.......................................... 32

2.2 Strength conditions and treshchinostojkosti the reinforced-concrete

Elements of ramno-rod constructive systems in a working area of slope cracks at power and sredovyh impacts....................................................................... 33

2.2.1 Strength condition korrozionno damaged concrete at

Flat stress condition..................................................................... 33

2.2.2 Strength condition loaded and korrozionno

Damaged concrete at a flat stress condition........................ 38

2.2.3 Criterion treshchinostojkosti loaded and korrozionno

Damaged concrete at a flat stress condition........................ 46

2.2.4 Construction of criterion of long durability korrozionno

Damaged concrete and ferro-concrete at a flat stress condition. 55

2.3 Long warping korrozionno the damaged reinforced-concrete element on the basis of an anisotropic model............................................................ 60

2.3.1 General remarks................................................................................ 60

2.3.2 Construction of physical parities in inkrementalnoj

To the form for reinforced-concrete integral designs with cracks in

To working area of contact of two concrete at a flat stress condition........ 62

2.3.3 Construction of physical parities in inkrementalnoj to the form for reinforced-concrete integral designs with cracks in

To working area of contact of two concrete at the scheme of crossed cracks............ 68

2.3.4 Model of a warping korrozionno the damaged reinforced-concrete element in inkrementalnoj to the form...................................................................... 74

2.4. Conclusions on section............................................................................

SECTION 3. WARPING AND CRACK FORMATION EXPERIMENTAL RESEARCHES

PLOSKONAPRJAZHENNYH THE REINFORCED-CONCRETE INTEGRAL

DESIGNS...................................................................................................

79

3.1 Purpose and problems of experimental researches................................ 79

3.2 Designs of skilled girders................................................................ 80

3.3 Program and testing procedure........................................................ 84

3.4 Results and the analysis treshchinostojkosti and deformativnosgi

Designs of skilled girders............................................................................ 87

3.5 Comparison of the given experimental researches with

Results of the settlement analysis..................................................................... 92

3.6 Analysis of experimentally-theoretical researches on

To definition of the resulted rigidness of reinforced-concrete integral designs on shear.............................................................................................................................. 102

3.7 Conclusions on section............................................................................. 112

SECTION 4. SETTLEMENT MODELS AND NUMERICAL ANALYSIS KORROZIONNO OF THE DAMAGED REINFORCED-CONCRETE

INTEGRAL DESIGNS....................................................................... 114

4.1 General remarks............................................................................................................. 114

4.2 Algorithms of definition is intense-deformed

Conditions reinforced-concrete integral ploskonaprjazhennoj designs with corrosion damages......................................................................... 114

4.3 Settlement analysis of a reinforced-concrete integral beam head the panel

Frame framing of a many-storeyed building at special impact................ 125

4.4 Recommendations about calculation reinforced-concrete ploskonaprjazhennyh

korrozionno the damaged designs of integral sectional view with cracks 137

4.5 Conclusions on section............................................................................. 147

THE CONCLUSION................................................................................................... 149

THE LITERATURE LIST................................................................................... 151

APPENDIX A the Abstract and dialogue windows of the computer program «the Program for calculation of reinforced-concrete girders-walls of integral sectional view with cracks»....... 180

The APPENDIX Inquiries and adoption deeds......................................... 185

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A source: Gubanova Maria Sergeevna. LONG WARPING PLOSKONAPRJAZHENNYH KORROZIONNO of the DAMAGED INTEGRAL REINFORCED CONCRETE CONSTRUCTIONS. The dissertation on competition of a scientific degree of a Cand.Tech.Sci. Kursk - 2018. 2018

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