Physiological Bending

Fysiologinen taipuma

Deflection ratio of 1:1000 is the baseline of a deflection. Referring to the physiology, deflection and fatigue are the same. All you read on my pages are linked to each other, sooner or later. 1:1000 deflection ratio is the shadow of fatiguing in many meaning. The next table shows the condition describtion from boy to man - being a man - from a man to an older man (not to a senior citizen).

Cooper Test Results men

 Age       Very good         Good           Average

                   1.06              1.1                   1.21

 13–14      > 2700 m        2455 m          2231 m

 15–16       >2862 m        2602 m          2365 m        Condition improves

 17–20       >3034 m        2758 m          2507 m        Best condition           

 20–29       >2862 m        2602 m          2365 m

 30–39       >2700 m        2455 m          2231 m

 40–49       >2547 m        2315 m          2105 m         Condition worsens

 50-60        >2403 m        2185 m          1985 m                                        

Ikä  - Age

(13-14)  -  (15 - 16)  -  (17 - 20)  -  (20 - 29)  -  (30 - 39)  -  (40 -49)  -  (50 +)

12.5      -      16      -       20      -      25      -       32      -      40     -     50

 13 x 1.25 = 16  

                    16 x 1.25 = 20

                                     20 x 1.25 = 25

                                                       25 x 1.25 = 32
                                                                        32 x 1.25 = 40
                                                                                         40 x 1.25 = 50

The before is an example of tabled data of living matter. This is so called exact knowledge. A human person is included in to this information.

The following is an example of dead matter as HEB I-profiles. This is also the exact data of profiles. All profiles have when loaded the deflection ratio of 1:1000.

Nimike        cm      kN/cm²     cm⁴         cm³           cm⁴       cm³       kg/m     A cm²

HEB100      518         2.2         450         90         167       33.5      20.4      26

HEB120      644         2.1         864       144         318       52.9      26.7      34

HEB160      868         2          2490       311         889       111        42.6      54.3

HEB200     1062        2          5700       570       2000       200        61.3     78.1

HEB240     1235        2         11260       938       3920       327        83.2    106

HEB320     1534       2.1       30820     1930       9240       616        127      161

  518 x  1.25 =  647

             647 x 1.25  =  808

                       808 x 1.25 = 1010

                                1010 x 1.25 = 1262

                                          1262 x 1.25 = 1577

Conclusion

Living materia gives out  all energy when moving and time is equivalent to time. The longer the performance takes time, the greater deflection. When a loaded (dead) steel material has the deflection ratio of 1:1000, the final tension level is the same. The factor 1,25 includes to both and this why the name called EP-calculation. The living human and a dead bridge are both products. They have the same base on condition and ability to carry load. The measurable span length and human age are same meaning, when they are related to each other.

26.4.2015*12:10 (1044 - 781)
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