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  1. liam1369

    Practical strengthening to existing cold rolled roof purlins

    Hi All, I am investigating a solution to strengthen some existing roof purlins for an existing portal frame roof. There is an adjacent building being built right next to this one, so additional snow will be created due to it effectively being a parapet right next to it. The existing...
  2. liam1369

    Parapet Windposts with timber joist / posi-joist roof.

    Hi All, I was wondering if anyone has any experience with parapet posts that are contained within the cavity wall of a wall where the roof is timber joist or timber posi-joists. I am struggling to justify the base moment and push-pull forces generated owing to the parapet wind post being...
  3. liam1369

    Assessing existing timber cut roof - assumed timber grade and deflection of purlins

    Afternoon All, I am assessing an existing property to determine if the roof is suitable for retiling and new sheathing etc. The property was constructed circa 1860 (In Kent, UK), solid wall construction with a timber cut roof supported on purlins and wall plate. The purlins are 145 x 75mm...
  4. liam1369

    New Box Frame - Ground floor rear end wall removal - sloped site

    Good Afternoon, I am hoping if anyone has any useful advice and tips on ground floor rear wall removal on a sloped site. From the pictures and sketches in the attachments, the site is sloped significantly. Therefore, toward the rear of the property, the brickwork below internal ground level is...
  5. liam1369

    Steel box Frame examples and benefits over goal post and offset foundations

    Hi All, Does anyone have any literature or design examples on steel moment box frames to allow for large openings in rear walls (typically). I am struggling to find any examples or design guidance online or in any steel design books. In addition, can anyone explain in Simple terms when they...
  6. liam1369

    Clarification on trench foundation depth - NHBC UK

    Good Evening all, I am a relatively new engineer and would like some clarification and guidance on a query I have in relation to NHBC guidance for trench foundation in cohesive clay soils. Upon review of documentation and also discussing with other engineers. The terms 'minimum 1.0m deep...
  7. liam1369

    Torsion in beam - Overkill for design?

    Hi All, As part of a design for a roof perimeter beam, we have a 1.70m high parapet. The beam is 9.0m long and has a steel parapet post in the middle to prop the PFC windbeam at the top of the parapet spanning between main oversailing columns. Conservatively, we have a moment base at the...
  8. liam1369

    Removing Chimney Breast and Replacing with Built in Windpost into 215mm party wall.

    Good Morning All, Has anyone dealt with the installation of an SHS windpost built into an existing 215mm thick party wall. Building control want the buttressing effect offered by the chimney breast to be replaced as the length of the flanking wall is circa 9.0m. However, understandably...
  9. liam1369

    Concrete Frame - Rectangular Perimeter Columns - Pros and Cons

    Good Afternoon All, I am scheming a concrete frame for a education building over a basement. It is only 4 stories and will be 'braced' with concrete cores and walls, therefore, all the columns are to be considered as 'braced. As part of the proposal, I am proposing to make the columns...
  10. liam1369

    Trench footings on cut and filled land

    Good Afternoon All, I have a site that is sloped with the soil being medium change potential stiff clay with gravels and silts. As part of the site works, cut and fill is being undertaken to better level the site. In some areas, we are building up the site with compacted cut. I was...
  11. liam1369

    Connecting Goalpost column to existing wall - slotted holes??

    Afternoon all, I have a general query in relation to some detailing for a goal post column that fixes to an existing block work flanking wall. The column has been inserted to take the load to a separate eccentric foundation, as opposed to loading the existing inner skin of blockwork. However...
  12. liam1369

    General advice needed, new structural column next to existing load bearing wall.

    Hi All, I am looking for some general advice in relation to the new foundations for a column which forms part of a new goal post frame allowing for an opening. I believe we will need to underpin the existing wall as the new column pad will go below. Please see image below. Does anyone have...
  13. liam1369

    Nice Structural 3D sketches and plan views

    Good morning all, Does anyone know what software or application is used to generate the following images which are used quite often in structural reports. I really like the look of this and it doesn't seem to be hand drawings. Is it google sketch up or a similar 3D software? Liam
  14. liam1369

    Ground Slab edge thickening and Pile Cap / Pad interaction

    Good evening all, I have a general query for a detail I am developing and this is for the interaction between a ground bearing slab edge thickening, which is going to be supporting masonry and a pile cap which is supporting a steel column. Most general details (see attached a couple of...
  15. liam1369

    Single Storey Extension - 1900's - 1920's home.

    Good Morning Everyone, I am asking for some advice for a project I am about to embark on for a friend who is trying to extend his existing home at ground floor level only. The extension will occur at an existing profiled windowed wall and the existing cavity wall at ground floor will be...
  16. liam1369

    Reinforced Concrete Design Software to EC 2

    Hi Guys, I am currently in my final year at University in the UK and we have to design a RC office block with FULL detail including all associated RC drawings. Can anyone recommend a software package which is user friendly in terms of designing RC members. Also, if there is a facility in the...

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