Projeto de Estruturas Correntes

Mechanical and Strength of Materials; Structural Mechanics; Reinforced Concrete; Foundations.

In the Theoretical-Practical Classes, the expository method is used and the reflection on subjects introduced in a perspective of the knowledge already acquired is encouraged. The Practical-Laboratory Classes are dedicated to carrying out practical group work. The work is carried out with close monitoring by the teacher. Students are organized in groups of two elements. In the Tutorial Classes, the students are monitored, by clarifying doubts.

Objectives: Analysis, design and detailing of reinforced concrete framed structures for small and medium-sized buildings, in the Portuguese standard framework. Generic Skills: Application of knowledge and understanding; judgment and decision making; Communication; self-learning; Specific Skills: Acquire knowledge and understanding in the field of reinforced concrete structures used in small and medium-sized buildings, in terms of methodologies for analysis, design and detailing, as well as the elaboration of calculation memories; skills for designing building structures with direct foundations.

Introduction: scope and objectives; the phases of a project; responsibility for drawing up design projects, following procedures. Design of the structure: general aspects; the constraints (architectural, related to the location of the building, resulting from the purpose of the building, economic and aesthetic, other constraints); structural choices. General safety verification criteria: serviceability limit state and ultimate limit states; actions; combinations of actions. Quantification of actions: permanent actions; variable actions (temperature variations, wind action, snow action, overloads, earthquakes). Seismic analysis: calculation of earthquake action; distribution of the earthquake. Calculation of internal forces: methodology; loading of frames; combinations of actions; calculation of internal forces. Design of reinforced concrete elements: general provisions; choice of materials; general constructive specifications; specific constructive specifications. Presentation of the project: introduction; written pieces (descriptive and justification, geotechnical studies, calculations); drawn pieces (structural plants, slab reinforcement plants, detailing of reinforced concrete elements).

Assessment will be based on a written final exam and on the performance, presentation and discussion of the project work. Only those students who have attended at least 50% of the practical classes / laboratory will be evaluated. Worker students who prove that they do not have an available schedule compatible with the practical / laboratory classes should contact the teachers of the discipline to arrange follow-up meetings to carry out the work.

1. Final written examination - 6 values In the written exam the students can consult the regulations used, if not annotated, and a form in A4 sheet handwritten by himself. The examinations are carried out in the period defined for evaluation: the normal exam period and the second semester recourse period. Students who are in the conditions defined by the ISEC regulations will also be able to access the special period of examination and deliver the work on the day and time of the special exam. Improvement of the classification by repetition of the written exam is not allowed.

2. Group work (maximum of 2 students) - 14 values Realization of the design project of a reinforced concrete structure for a current building. The definition of intermediate deadlines for the partial deliveries of the work will be fixed by the teachers of the P / L classes. Those partial deliveries concern: a) Calculations related to the design of RC slabs and drawings with the detailing of the reinforcements in the slabs (structural plant, lower reinforcement, superior reinforcement, 2 cuts of slabs cross section with reinforcement); b) Calculations related to the quantification of actions (permanent, overload, wind and earthquake). Schemes with representation of the actions applied in each frame (permanent, overload and earthquake).

Deadline for submission of the final project: 1st phase: day and time of the examination of the normal period 2nd phase: day and hour of the examination of the recourse period After delivery of the projects, it will be defined the day and time for presentation and discussion of the work. The final grade of the work will reflect a bonus for students who carry out the partial deliveries defined above.

3. Final classification The final mark in the scale of 0 to 20 is equal to the sum of the marks obtained in the defined evaluation methods. The student must obtain at least 9,5/20 values in the final classification to obtain approval to the discipline, with minimum of 7/14 values in the work and 3/6 values in the written exam.

4. Information on the design project of the reinforced concrete structure The drawings of the structure to be designed will be provided. It should be noted that the architectural drawings of the building will not be given because the structural solution is already presented. In the practical work the following elements must be presented:

(A) Written parts

•Descriptive and justificative memory;

•Calculations, to be presented in manuscript form: Quantification of actions: permanent actions, overloads, wind action and earthquake action; Distribution of actions by the various structural elements; Combination of actions: consider permanent actions, overloads and earthquakes in the action combinations (no need to include wind action); Internal forces: The use of automatic calculation programs is only allowed for the calculation of the internal forces. Two programs, Ftool and Galileo will be available, however, other programs may be used, as long as this is authorized by the teachers; Design of some structural RC elements to be defined by the teacher (all slabs of one floor, including the balcony and slab of stairs; 1 beam; 1 column; 2 foot RC foundation; 1 equilibrium beam.

(B) Drawing parts

• Schemes with the representation of the actions applied in each frame (permanent, overload and earthquake).

• Envelops od the internal forces of the frames to which the column, the beam and the foot foundation elements to be designed and drawn. • Detailing of reinforced concrete (geometric definition and reinforcement steel bars) of designed elements.

IMPORTANT NOTE:

- Improvement of final written exam scores is not allowed.

- For the realization of the practical work (project), the knowledge taught in the curricular units of Structures and Reinforced Concrete is essential; to students who do not have this basic knowledge it is not advisable to enroll in this curricular unit.

NAO