# Which design checks does Shapemaker do?

Shapemaker is continously being developed, and depending on the industry trends and customer needs, we add new checks and annexes monthly. Therefore, this list is not complete, and we do more checks than what is listed here. 

In addition to what's written here, have a look at the full report to see which checks have been performed for your analysis.

If you're curious about a certain check not mentioned here; use the in-app chat to ask our engineers directly, or [contact](https://www.shapemaker.io/contact) us. 

## Members

### Lattice and guyed masts members

#### **Compression checks**

* Based on **EN 1993-1-1:2005**, Section 6.3 Formulas (6.47), (6.48), and (6.49).
* Refer to **EN 1993-3-1:2006**, Subsection 6.3.1, Paragraphs (1), (2), and (3) for compression member resistance
* See **Annex G** and **Annex H** of **EN 1993-3-1:2006** for slenderness and buckling length determination.
* See Section 4.4 on **EN 1993-1-5:2006** for effective area of class 4 compression members.

#### **Tension checks**

* Based on **EN 1993-1-1:2005**, Section 6.2.3

### **Guy wires**

* **Section 6.2** from **EN 1993-1-11:2006** for Design tension resistance of the guy wire.

### Monopoles

#### **Plastic Limit State (LS1)**

* Based on **EN 1993-1-6:2007**, Section 6
* See Formula (6.5) for design value of resistance
* See Formula (6.2) for the design value of stresses

#### **Buckling Limit State (LS3)**

* Based on **EN 1993-1-6:2007**, Subsection 8.5.2 and **Annex D**.
* See Formula (8.11) for the design buckling resistance
* Refer to Subsections D.1.2.1 and D.1.2.2 for critical meridional buckling stresses

## Connections

### Bolts and plates

* Chapter 3.6 from **EN 1993-1-8:2005**
* Bolt shear based on **Table 3.4** from **EN 1993-1-8:2005**
* Bolt tension based on **Table 3.4** from **EN 1993-1-8:2005**
* Bearing resistance based on **Table 3.4** from **EN 1993-1-8:2005**
* Plate punching shear resistance based on **Table 3.4** from **EN 1993-1-8:2005**
* Plate bending resistance based on **Section 8.3.2** from **prEN 1993-3**, *2nd draft, 2020-09-30*.

### Pole connections

* Bolt tension based on **Table 3.4** from **EN 1993-1-8:2005**
* Required flange thickness (flange bending moment check) based on **Table 42** from *Theory of Platees and Shells, S. Timoshenko* and *S. Woinowsky-krieger, 1959*. 

### Hold-down bolts

#### Lattice and guyed masts

* Bolt shear based on **Table 3.4** from **EN 1993-1-8:2005**
* Axial based on based on **Table 3.4** from **EN 1993-1-8:2005**
* Bolt bending resistance based on **Table 3.4** from **EN 1993-1-8:2005**
* Punching shear **Table 3.4** from **EN 1993-1-8:2005**
* Combined shear and axial resistance
* Combined shear, axial and bending resistance

#### Monopoles

* Bolt tension resistance calculated acoording to **Table 3.4** from **EN 1993-1-8:2005**
* Steel baseplate check and grouting check under compression according to **Appendix 1** from *CICIND, Model Code For Steel Chimneys (Revision 1 - December 1999) with Amendment A - March 2002 and Commentaries and Appendices (December 2020)**.***

## Foundation

* For standard foundations 
  * Overturning check (EQU) from **EN 1997:1-2005 Chapter 2.4.7.2**
  * Foundation sliding check (SLD) from **EN 1997:1-2005 Chapter 2.4.7.3.4 Approach 2**
  * Bearing pressure check (GEO) from **Appendix D** in **EN 1997:1-2005**
* For foundations anchored in rock
  * Overturning check (EQU) from **EN 1997:1-2005 Chapter 2.4.7.2**
  * Foundation sliding check (SLD) from **EN 1997:1-2005 Chapter 2.4.7.3.4 Approach 2**
* For guy foundation
  * Guy foundations pullout check (UPL) from *Pullout Capacity of Reinforced Concrete Deadman Anchors in Cohesionless Soil (2021) by Riley Padron.*

## Static Equivalent Check

* Formula (B.12) in EN 1993-3-1.

## Serviceability Checks

We check maximum deformations (SLS), and allow user set limits.

## **Natural Frequency**

Optional user set limits for natural frequency.