Mekameka Hononga Keri Porowhita Mowhiti Toru

Whakaahuatanga Poto:

Kāwai: mekameka hono porowhita, mekameka hono maitai porowhita, mekameka keri hono porowhita, mekameka keri DIN 22252, mekameka kawe keri, pūnaha mekameka pae rere


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Ngā Tohu Hua

Mekameka Hononga Keri Porowhita Mowhiti Toru

Te whakaatu nei i te Mekameka Hononga Keri Porowhita Mowhiti Toru, he hua hou i hangaia hei whakatutuki i ngā hiahia nui o te umanga keri. Kua hangaia tēnei mekameka hou hei whakarato i te kaha, te roa me te pono kore e taea te whakataurite i roto i ngā mahi keri tino uaua.

Kua hangaia te mekameka keri porowhita-toru mō ngā mahi keri i ngā wāhi e kitea ai ngā kawenga taumaha me ngā āhuatanga tino kino. Mā tōna hoahoa ahurei mō ngā mowhiti-toru ka tino pai te tohatoha taumaha, ka whakaiti i te ahotea ki ngā hononga takitahi, ka arotau hoki i te mahi whānui. He ngāwari hoki te tiaki i tēnei hoahoa auaha, nā te mea ka taea te whakakapi ngāwari i ngā hononga kua pakaru, kua tawhito rānei, me te kore e pā ki te mahi a te mekameka katoa.

He mea hanga ngā mekameka keri porowhita e toru-hononga ki ngā rauemi kounga teitei, he kaha kume tino pai hei tu atu i ngā kaha o te taiao keri. Mā te tikanga here tino haumaru ka whakaratohia he hononga pono i waenga i te mekameka me ngā taputapu keri, ka whakaiti i te mōrearea o ngā aituā me te whakanui ake i te hua.

Hei tāpiritanga, he tino ātete te mekameka ki te waikura, e whakarite ana i tōna roanga ora ahakoa i roto i ngā taiao keri tino kino. Nā tōna hanganga pakari ka iti ake te pakaru me te haehae, ka whakaiti i te wā kore mahi mō te tiaki me te whakakapinga, ā, ka piki ake te whai huatanga me te penapena utu.

Ko te kaha me te manawanui te kaupapa matua o ngā mekameka keri porowhita-toru, tae atu ki te haumaru. Kua whakamatautauria kia tutuki ai ngā paerewa me ngā ture haumaru katoa e pā ana ki te umanga keri. Mā te whakamahi i tēnei mekameka, ka taea e ngā kaiwhakahaere keri te noho marino me te mōhio kei te tutuki ngā hua e whakamahia ana e rātou i ngā aratohu haumaru tino pakari.

Hei whakarāpopototanga, ko te mekameka hono keri porowhita-3 te otinga tino pai mō ngā tohunga keri e rapu ana i tētahi mekameka pono, kaha, me te haumaru mō ā rātou mahi. Nā tōna hoahoa ahurei, tōna kaha tino pai, me tōna ātete ki te waikura, he mea pai rawa atu tēnei mō te umanga keri. Hokohia te mekameka hono keri porowhita-3 i tēnei rā hei whakapai ake i ō mahi keri!

Kāwai

Mekameka hono porowhita, mekameka hono maitai porowhita, mekameka keri hono porowhita, DIN 22252mekameka keri, mekameka kawe keri, pūnaha mekameka pae rere

Tono

Ngā Kawe Mata Ārai (AFC), ngā Utaina Wāhanga Kurupae (BSL), ngā mīhini whakatere rori, ngā parau waro, me ētahi atu.

1

Hei whenua hanga waro Nama 1, kua kitea e Haina te tono nui mō ngā mekameka keri porowhita, ā, nā reira kua akiakihia te kaha hanga mekameka hono maitai porowhita o Haina i runga i te rahinga me te kounga. Ko te wheketere mekameka a SCIC, me tana hītori hanga mekameka hono maitai 30 tau te roa, kua uru katoa ki te tuku waro ki Haina; kua whakaaetia ā mātou mekameka hono porowhita, ā, kua whakamahia e ngā kamupene waro me te keri matua katoa puta noa i Haina.

Ka whakapūmautia te kounga o tā mātou mekameka hononga maitai porowhita i roto i ia taahiraa o te hanga mekameka, mai i ngā pae maitai koranu pakari ki te hanga hononga tika mā te karetao, mai i te whakarewa uira rorohiko ki te maimoatanga wera tinei me te whakamahana kua hoahoatia pai (ka hua ake te kaha me te pakeke o te mata e hiahiatia ana), mai i te whakamātautau whakamātautau ki ngā whakamātautau miihini hei manatoko i te kounga o te mata me roto.

Ko te mekameka hono porowhita SCIC e hangaia ana kia rite ki te paerewa Haina GB/T-12718 me ngā Whakaritenga Hangarau wheketere, tae atu ki ngā paerewa DIN 22252, GOST 25996 rānei me ngā whakaritenga a te kiritaki.

E whakamahia ana te mekameka hono porowhita SCIC mō ngā Kawe Mata Ārai (AFC), ngā Utaina Wāhanga Kurupae (BSL), ngā mīhini pane rori, ngā parau waro me ētahi atu taputapu e hiahia ana ki tēnei momo mekameka.

Ka heke te āhua o te mekameka i ngā paninga ārai-waikura (hei tauira, te whakawerawera wera), nō reira ko te paninga o ngā paninga ārai-waikura me whai i te whakaaetanga ota i waenga i te kaihoko me te SCIC.

Pikitia 1: mekameka hononga porowhita

1
2

Ripanga 1: ngā rahinga mekameka hononga porowhita

rahi hononga (whakapae whakarewa)
d(mm)

papa
t(mm)

whānui hononga
(mm)

rahi hononga whakarewa
(mm)

taumaha kotahi
kg/m (~)

ingoa

manawanui

ingoa

manawanui

roto
b1(mōrahi)

waho
b2(mōrahi)

whānui
d1(mōrahi)

roa
e

10

± 0.4

40

±0.5

12

34

10.8

7.1

1.9

14

± 0.4

50

±0.5

17

48

15

10

4.0

18

± 0.5

64

±0.6

21

60

19.5

13

6.6

19

± 0.6

64.5

±0.6

22

63

20

13

7.4

22

± 0.7

86

±0.9

26

74

23.5

15.5

9.5

24

± 0.8

86

±0.9

28

79

26

17

11.6

26

± 0.8

92

±0.9

30

86

28

18

13.7

30

± 0.9

108

±1.1

34

98

32.5

21

18.0

34

± 1.0

126

±1.3

38

109

36.5

23.8

22.7

38

± 1.1

126

±1.3

42

121

41

27

30.1

38

± 1.1

137

±1.4

42

121

41

27

29.0

42

± 1.3

137

±1.4

48

137

45

30

36.9

42

± 1.3

146

±1.5

48

137

45

30

36.0

42

± 1.3

152

±1.5

46

133

45

30

35.3

ngā tuhipoka:LKei te wātea te mekameka rahi arger ina pātaihia.
Rahi hononga (d) hei ine i te hononga tika ki te ritenga atuohononga hononga pae.
Ko te whānui o te hononga (b1 me te b2) hei ine mai i te hononga whakarewa.

Ripanga 2: ngā āhuatanga ā-pūkaha o te mekameka hononga porowhita

rahi mekameka
dxt
(mm)

taumata mekameka

kaha whakamātautau
(kN)

te roa i raro i te kaha whakamātautau
% (mōrahi)

te kaha pakaru
(kN)

te toronga i te whati
% (iti rawa)

te piko iti rawa
(mm)

10 x 40

S

85

1.4

110

14

10

SC

100

1.6

130

SCC

130

1.9

160

14 x 50

S

150

1.4

190

14

14

SC

200

1.6

250

SCC

250

1.9

310

18 x 64

S

260

1.4

320

14

18

SC

330

1.6

410

SCC

410

1.9

510

19 x 64.5

S

290

1.4

360

14

19

SC

360

1.6

450

SCC

450

1.9

565

22 x 86

S

380

1.4

480

14

22

SC

490

1.6

610

SCC

610

1.9

760

24 x 86

S

460

1.4

570

14

24

SC

580

1.6

720

SCC

720

1.9

900

26 x 92

S

540

1.4

670

14

26

SC

680

1.6

850

SCC

850

1.9

1060

30 x 108

S

710

1.4

890

14

30

SC

900

1.6

1130

SCC

1130

1.9

1410

34 x 126

S

900

1.4

1140

14

34

SC

1160

1.6

1450

SCC

1450

1.9

1810

38 x 126
38 x 137

S

1130

1.4

1420

14

38

SC

1450

1.6

1810

SCC

1810

1.9

2270

42 x 137
42 x 146
42 x 152

S

1390

1.4

1740

14

42

SC

1770

1.6

2220

SCC

2220

1.9

2770


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