Do you know the meaning of these parameters?

1. bhc

It denotes cover. Cover is usually marked in drawings as cover or cr.

2. la

L-length, A-anchor, length of non-seismic anchorage, is suitable for all elements following non-seismic design. Usually seen as Tal and Cal in actual drawings. (Tal denotes Tension Anchorage Length and Cal denotes Compression Anchorage Length).

It is usually marked in drawings as tal, cal, tl or cl.

You can directly input tal or cal, or just input la, the software will judge automatically to take value of tal or cal according to related settings.

3. ll

L-length, L-lap, length of non-seismic lap, is suitable for all elements not following anti-seismic design. Usually seen as Tll and Cll in actual drawings. (Tll denotes Tension Lap Length and Cll denotes Compression Lap Length).

It is usually marked in drawings as tll, cll, or lap.

You can directly input tll or cll, or just input lle, the software will judge automatically to take value of tll or cll according to related settings.

Note: It makes no difference to input lle or ll in our software if it doesn’t require anti-seismic design in your country or region, lle is recommended though.

4. d

It denotes rabar diameter.

It is usually marked in drawings as Φ.

5. L

It denotes span length, namely distance between center line of two supports.

It is usually marked in drawings as span length.

6. Ln

It denotes clear span length, namely distance between the two nearest sidelines of two supports.

It is usually marked in drawings as clean span length.

7. hb

It denotes section height of beam.

It is usually marked in drawings as depth.

8. hc/ha

It denotes support width.

9. hn

It denotes net height of column, namely the column height with joint of foundation, beam and slab deducted.

10. s

It denotes spacing. It is usually marked in drawings as spacing.