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47
book/design_workflow/general_design_guide.ipynb
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@ -14,6 +14,23 @@
"The terms ‘initiative’, ‘project definition’, ‘concepts’, ‘preliminary design’, \n",
"and ‘verification of structural safety’ will be explained shortly below.\n",
"\n",
"## Initiative\n",
"The client initiates a construction project or structure. The designer,\n",
"being advised by an architect, determines design goals. The design\n",
"goal is a general description of the desired result of the design and\n",
"execution process. After determining the design goal, the\n",
"designer can study different aspects of the project. For example: the\n",
"location, the budget and functional requirements. When all aspects are determined, \n",
"they are integrated and evaluated. The final step of this phase is to check whether \n",
"the project is financially and logisticallyfeasible. If this is not the case, \n",
"the design goals need to be adjusted. The concequence of this is that the whole \n",
"cycle starts again (aspects, integration, evaluation and check).\n",
"\n",
"`````{admonition} Result\n",
":class: tip\n",
"A Program of Requirements (PoR) formulated by the client\n",
"`````\n",
"\n",
"## Project definition\n",
"\n",
"To define the project, one first drafts a plan of action (strategy). This\n",
@ -23,6 +40,11 @@
"this leads to the formulation of a report containing all basic assumptions\n",
"concerning the structural design. This forms a supplement to the PoR.\n",
"\n",
"`````{admonition} Result\n",
":class: tip\n",
"A Program of Requirements supplemented with structural assumptions\n",
"`````\n",
"\n",
"## Concepts\n",
"\n",
"In this phase too several studies have to be performed. The designer makes several\n",
@ -44,6 +66,11 @@
"the different concepts based on a multi criteria analysis. The criteria are based\n",
"on the PoR and structural assumptions.\n",
"\n",
"`````{admonition} Result\n",
":class: tip\n",
"Design sketches of the different concepts with a reasoned choice of a design\n",
"`````\n",
"\n",
"## Preliminairy structural design\n",
"\n",
"Now all the dimensions of the chosen structure can be determined. Again the sections\n",
@ -53,6 +80,12 @@
"surprises in the final design stage. Also the building envelope deserves some\n",
"attention. Use the different examples given in the later chapters.\n",
"\n",
"`````{admonition} Result\n",
":class: tip\n",
"General preliminary structural design, general dimensions of the main structure. Ideas on fabrication, erection,\n",
"foundation and façades.\n",
"`````\n",
"\n",
"## Preliminary design\n",
"\n",
"In this phase a further analysis of the strength, behaviour of the structure\n",
@ -65,12 +98,24 @@
"possible façades, roof elements and other building finishes needs to be made. How\n",
"are the building finishes connected to the load bearing structure?\n",
"\n",
"`````{admonition} Result\n",
":class: tip\n",
"A structure which retains its place and shape under loading with dimensioned structural parts. A conceptual design of\n",
"the foundation, building envelope, fabrication, erection and structural details.\n",
"`````\n",
"\n",
"## Verification of the structural safety and servicability\n",
"\n",
"The final preliminairy design of which the final dimensions are now determined,\n",
"has to be checked with a structural code. In Europe this is the Eurocode. The\n",
"different sections on steel, timber, concrete and foundations contain the\n",
"necessary information to perform the check.\n"
"necessary information to perform the check.\n",
"\n",
"`````{admonition} Result\n",
":class: tip\n",
"A structural design which not only meets the needs of the client and other stakeholders but also complies with the\n",
"applying structural code.\n",
"`````\n"
]
},
{

26
book/design_workflow/general_loads/general_loads.md
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@ -1,4 +1,30 @@
# General loads
This section will explain what possible loads and load combinations can act
on a structure. Loads are part of the greater group of ‘actions’. ‘Actions’
comprise all possible infuences on a structure (e.g. temperature
differences). In most cases the words ‘actions’ and ‘loads’ are synonyms.
Most information will be stated in tables and diagrams. From these the
actions can easily be determined. Before the design of a structure can
start, the designer must have a clear idea of the structure that needs to be
built. Or, put differently: what will be the functions of the structure? From
the functions of the structure the use of the structure can be determined. Once
the use of a structure is known, the possible actions can also be derived.
1 Idea of the structure
2 Possible functions
3 Use
4 Loads
First the loads, limit states and load combinations will be attended to.
After this introduction the different permanent and variable loads will be
adressed.
`````{admonition} Caution
:class: warning
The information in this section is a simplified representation of the Eurocode, and therefore only fit for design
purposes. It cannot be used for the final strength verification!
````
```{tableofcontents}
```