论文总字数：96340字

Graduation Project (Thesis) Report

2020-3-1

CERTIFICATIONS

This project has been duly certified by department of civil engineering, Nanjing Tech University, for the award of bachelor degree in civil engineering.

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Prof. 岳健广 Date

Library design in Nanjing, Jiangsu Province

Abstract

The graduation project is the design of library in Nanjing, Jiangsu Province.

The project is proposed as class B building with total construction area about 9783.9 meters square and 1956.78 meters square for single story. The total height of the building is 22.60 meters. The main design scheme is multi-layer reinforced concrete frame structures with design life of 50 years.

The outdoor ground height is 0.45meters, and for the bottom height is 5.5 meters from the foundation and 3.9 meters for second to fifth floor. The parapet height on the roof is 1.20 meters with the roof access. Concrete hollow blocks are used for the walls, plastering with cement mortar on both internal and external faces, in the front use glass walls with vertical and horizontal mullions. The glass doors are used in the first floor for the main entrance and wooden doors for the rest. The windows are plastic-steel windows.

Structural design is in the preliminary design of buildings set on the basis structures of the program, the choice of reasonable structural systems, layouts to determine structural component size, calculation which is included load calculation, soil checking, cross sectional design, rebars calculation, staircases calculations and others related structures construction plan.

The design should comply with the contemporary standards in China where the code included the code for concrete structures, seismic design and design of foundations.

Key words: reinforce concrete frame structures, reinforce calculation, internal force calculations

Contents

Abstract I

Contents II

List of figures IV

List of tables IV

Chapter- I 1

1. Architectural design 1

1.1. Design Basis 1

1.2. Design content 1

1.3. Selection of building materials 1

Engineering Structure of Each Part 2

Chapter- II 4

1. Structural design 4

2. Structural layout: 5

Chapter III 9

1. Load collections. 9

1.1. Uniform load of Roof slab 9

1.2. Uniform dead load of the floor 9

1.3. Beams and columns self-weight 10

1.4. Wall self-weight 11

1.5. Access roof 12

1.6. Doors and windows 13

1.7. Calculations of representative of gravity load of each floor 14

Chapter IV 15

1. Internal Force Analysis 15

1.1.1. Internal force analysis under seismic load(earthquake ) 15

2. Interlayer calculation lateral stiffness 17

1.2.1. Analysis of Horizontal Earthquake Action (Base Shear Method) 17

3. Frame Column shear force and column Moment under horizontal seismic action by D-value method 20

4. Internal force analysis of frame under horizontal wind load 23

5. Shear force and bending moment of frame column under wind load calculated by D-value method 24

1.3.1. Moment Calculation of Beam End Under Wind Load 25

6. Internal force analysis under vertical load 27

1.6.1. Vertical load calculation 28

1.6.2. Beam Moment calculation 30

1.6.3. Moment Distribution and Transmission 31

1.6.4. Moment distribution under live load. 33

1.6.5. Beam End Moment calculation 34

1.6.6. Column axial force under dead load 35

1.6.7. Internal force calculation under action of 0.5 (live snow) 40

Chapter V 45

1. Internal force combination of the frame 45

Chapter VI 55

1. Section designs of frame beam and column 55

2. Reinforcement calculation of frame beam 55

2. Reinforcement calculation of frame column 60

Chapter VII 74

1. Stairs design 74

1.1. Geometric parameters of stairs 74

1.2. Reinforce calculation 74

1.3. Calculation of rest plate 75

Chapter VIII 77

1. Slab design 77

2. Calculations of floors slabs 77

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